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=-6.8 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,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 DEC61C4727E for ; Fri, 25 Sep 2020 17:21:34 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A0A962083B for ; Fri, 25 Sep 2020 17:21:34 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="WgG9ezLs" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728038AbgIYRVe (ORCPT ); Fri, 25 Sep 2020 13:21:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52420 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726368AbgIYRVd (ORCPT ); Fri, 25 Sep 2020 13:21:33 -0400 Received: from mail-yb1-xb44.google.com (mail-yb1-xb44.google.com [IPv6:2607:f8b0:4864:20::b44]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E168C0613CE; Fri, 25 Sep 2020 10:21:33 -0700 (PDT) Received: by mail-yb1-xb44.google.com with SMTP id s19so2528177ybc.5; Fri, 25 Sep 2020 10:21:33 -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=CTJj4j0YVLc5xtMx/0e8C1hkN3+Ymyx4q428pDM27CI=; b=WgG9ezLsMqcr0Z28zVliYWTfiVZkrlhtKwpTcEtHHtE69NVCp+IEabANOfP8Sn6o6L NToIzJM+qGFIPBW24xVZNAFEfiLFz0oft17FiW/dYznPNzRkl2rgRZzsHOMAaAci1t4A aeh9CDEe5g7wQ0vIITcKxl6eR9TnFYMCgoiTn4dyTEbj5FzGe6UQk4Tbc3EJDzRk2ap2 e5s8pkdECoXKOmQJnVzVgP0IKQaLrPtgzzdyq86TajDFrxhjnuNeB+5lb6gKQ9+BMBae F4q9ObSzpITUwhz5M5lpsvSYbQ3UB1Rk2xsri2EwMswG6q+TqlKr1CMgbJIbtgNexI4t zjdA== 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=CTJj4j0YVLc5xtMx/0e8C1hkN3+Ymyx4q428pDM27CI=; b=kIyRQIC1S8y/SwVyeXJyDMT6j6YqHUdYb1h5/FRoiFZOGtZ2muUN6uczAiDw6lFSSO tIC+45G1k8BCowtPsGm+aDBuzok4Zb5Edheqb5SEhJuIVVUQrO0GzbJ4X29O754wauF7 JjJcJjpoC8sHkgo+ZvMAUYXOwRx4O/77aYI8i7qKgaxoi3t6PNOrf/6QGyprhtqFp/ed GlGoFkgmJDIF2SQN6AwWXbEse38a2K2+zJRzUdYahdrvrg1O7i4yW+pUPL6NqInLQO38 ILPs1s4f4pVi97Dai7EVLoP9aogkNtViudiHybH0FYHPfWSHR5V1m1Y8aUWFb59MgWjE clYg== X-Gm-Message-State: AOAM530/pJRiLC+p/LFuZvoYEO34YdeMfdIWFeyjFr3Scr33IVU9LJs+ su911AOPoeq//DO+h58MptiuhTV1aqEXllqbAL0= X-Google-Smtp-Source: ABdhPJw37ZyJp9X+wPwW/zdBpGEhcWWxyirdYOBFnxCJiv+y5slkuct3Mq0vJ0TBP+teZMU05Fgwpwigrhym+I2bYKo= X-Received: by 2002:a25:8541:: with SMTP id f1mr339346ybn.230.1601054492723; Fri, 25 Sep 2020 10:21:32 -0700 (PDT) MIME-Version: 1.0 References: <20200924230209.2561658-1-songliubraving@fb.com> <20200924230209.2561658-2-songliubraving@fb.com> In-Reply-To: <20200924230209.2561658-2-songliubraving@fb.com> From: Andrii Nakryiko Date: Fri, 25 Sep 2020 10:21:21 -0700 Message-ID: Subject: Re: [PATCH v5 bpf-next 1/3] bpf: enable BPF_PROG_TEST_RUN for raw_tracepoint To: Song Liu Cc: Networking , bpf , Kernel Team , Alexei Starovoitov , Daniel Borkmann , john fastabend , KP Singh Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On Thu, Sep 24, 2020 at 4:03 PM Song Liu wrote: > > Add .test_run for raw_tracepoint. Also, introduce a new feature that runs > the target program on a specific CPU. This is achieved by a new flag in > bpf_attr.test, BPF_F_TEST_RUN_ON_CPU. When this flag is set, the program > is triggered on cpu with id bpf_attr.test.cpu. This feature is needed for > BPF programs that handle perf_event and other percpu resources, as the > program can access these resource locally. > > Acked-by: John Fastabend > Signed-off-by: Song Liu > --- LGTM. Acked-by: Andrii Nakryiko > include/linux/bpf.h | 3 ++ > include/uapi/linux/bpf.h | 7 +++ > kernel/bpf/syscall.c | 2 +- > kernel/trace/bpf_trace.c | 1 + > net/bpf/test_run.c | 91 ++++++++++++++++++++++++++++++++++ > tools/include/uapi/linux/bpf.h | 7 +++ > 6 files changed, 110 insertions(+), 1 deletion(-) [...]