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=-12.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham 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 E5108C4361A for ; Thu, 3 Dec 2020 21:02:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 83F76207A8 for ; Thu, 3 Dec 2020 21:02:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726290AbgLCVCT (ORCPT ); Thu, 3 Dec 2020 16:02:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44722 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725885AbgLCVCS (ORCPT ); Thu, 3 Dec 2020 16:02:18 -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 98864C061A4F; Thu, 3 Dec 2020 13:01:38 -0800 (PST) Received: by mail-yb1-xb43.google.com with SMTP id r127so3313639yba.10; Thu, 03 Dec 2020 13:01:38 -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=+eQGGEOMVXRPEoq8s6lQdLNuBt3JK/5yXKT7IpNr4IQ=; b=oROLXir8WRNqBkWEEUeU5/8JdCypCPu9aKHIVMtntYeXFFBwcFWRowKCkVeU8edlya UViecJWVPjManvSQDHtzvakIOT6b7ra+J8ANOI7A1usWwj1ASdZYMPxkkDPw6l6zMKMC dBtXyQqYvN9NzIQhUQKSHf1YSvi7FePJ3zXJ0TCwFYky8fbgI+/xoGVvicLkCrqECjXF zU+8SaD2nVFjAM/WvE9b67qTsOB1elfOQUczIDDZdqIQbPkRAhCZeE+RuDVf6mI6EH2Y 8GeX2PkxCk79PA83jA2YZMPOHHxlm6hOeJ+9KHIMzAE1Sgss/sCxh8WHF7P+DKKU2yNr 5CPg== 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=+eQGGEOMVXRPEoq8s6lQdLNuBt3JK/5yXKT7IpNr4IQ=; b=RcB4Mnr6RZ683eYe8zvCjunEpm7Gj7GsE0Dm2Rlp/kIQvISzGxB3MvLyZsfHQub/l9 zz1ao6X/ImAmVkjul/ee+cuVp8XDZ20/XtGwW00VzXFn7xORHAYEiAUuc1VsO5lkYoeN IQRU5x0GqGFncd02wSdDP7IXzcgFB9uRQ8/MXudACWcxAa8s/j0STxFEtr2hm2wSRUzG i+JTZPvUrb2ACd9RM/tiMTbJe/qAv3aMvc80rzifH5FvgAnv/5QjZiQkCCzZJuRZiyTa VgBjBiJqNYYGr0iv0P/GCdm5i+wFRO/2C/WedVDxfHObT9MUng4tgxS9TGyiuxrZ1238 Mqaw== X-Gm-Message-State: AOAM5320aFvYOeFcxSMGVemohPpzMoc3fCNNP68OJ+vw+JOdpMJhliQY l2XmvzFNGGAQpA/XHPIczHah2RwnwitwXHWV8FM= X-Google-Smtp-Source: ABdhPJy4L7Kpx4H0kEhxp/2oPxCTtdtezLaECzgxFzEJeTiPa8bqGMUmCbGmTnZ8hbDuqX2FBTrvtL+xk5a2zv+kli8= X-Received: by 2002:a25:c7c6:: with SMTP id w189mr1363230ybe.403.1607029297953; Thu, 03 Dec 2020 13:01:37 -0800 (PST) MIME-Version: 1.0 References: <20201203160245.1014867-1-jackmanb@google.com> <20201203160245.1014867-13-jackmanb@google.com> In-Reply-To: <20201203160245.1014867-13-jackmanb@google.com> From: Andrii Nakryiko Date: Thu, 3 Dec 2020 13:01:27 -0800 Message-ID: Subject: Re: [PATCH bpf-next v3 12/14] bpf: Pull tools/build/feature biz into selftests Makefile To: Brendan Jackman Cc: bpf , Alexei Starovoitov , Yonghong Song , Daniel Borkmann , KP Singh , Florent Revest , open list , Jann Horn Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Thu, Dec 3, 2020 at 8:07 AM Brendan Jackman wrote: > > This is somewhat cargo-culted from the libbpf build. It will be used > in a subsequent patch to query for Clang BPF atomics support. > > Change-Id: I9318a1702170eb752acced35acbb33f45126c44c Haven't seen this before. What's this Change-Id business? > Signed-off-by: Brendan Jackman > --- > tools/testing/selftests/bpf/.gitignore | 1 + > tools/testing/selftests/bpf/Makefile | 38 ++++++++++++++++++++++++++ > 2 files changed, 39 insertions(+) All this just to detect the support for clang atomics?... Let's not pull in the entire feature-detection framework unnecessarily, selftests Makefile is complicated enough without that. [...]