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 51230C47247 for ; Tue, 5 May 2020 20:16:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 28E4B2068E for ; Tue, 5 May 2020 20:16:04 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="LmxoHCyt" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728569AbgEEUQD (ORCPT ); Tue, 5 May 2020 16:16:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49110 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-FAIL-OK-FAIL) by vger.kernel.org with ESMTP id S1727785AbgEEUQD (ORCPT ); Tue, 5 May 2020 16:16:03 -0400 Received: from mail-qk1-x744.google.com (mail-qk1-x744.google.com [IPv6:2607:f8b0:4864:20::744]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1BDBEC061A0F; Tue, 5 May 2020 13:16:03 -0700 (PDT) Received: by mail-qk1-x744.google.com with SMTP id b188so3744512qkd.9; Tue, 05 May 2020 13:16:03 -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=TqRbVHLIMt67JTCk+jjBMibZD2NP6+r1URSVPlpIb6c=; b=LmxoHCytX9SU4Ya2lIHtO+3d7XsiXVF4x+Jcdi+7PTa2CySfIHKyI7EBLc8lfWlI1+ FW1IXwWBXjqQobqcp1p7z8S9rtBgeDDjO4NWFpgpFKZ757gNThDgDp6gHVYR2pwWapLJ PpsUY+nvcyi961L5NWs32eABLwaYMhEpOfcD0aPRU5RsqywDIiYZWoAvpmpz0aAT/f9j K3HFHpEzlB2imar35W/REjwxjxiSnPHhUI+6+SK6SBlLuUxN2HmCXeyAzmjIZnmxcM2K 1ZZ+nYLsbCR/oSyVsZef1d4pH5lbuwB6+nj+a/iMTIfdt2Ea15p6TjCUC3hqcejZ6H7M UjNg== 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=TqRbVHLIMt67JTCk+jjBMibZD2NP6+r1URSVPlpIb6c=; b=h53/N1kVeI5jGzWpMYUEvTdSlB3UTGcIZhepLxdyCe5CQPs1/41Lb0egTWexpSXiUH +1DV6G5Aj7C9UNMM2SZqL6E+imSWV+QHnBueNDGH/EcE/vJmz/Wu9FBEPupungFMQPlH X9Olog5kU+64BRpzI12HmIwsB6rC60Q5FU43+RMa+izzNjNA/xitnm55c3OvXnHUsHEA 4I6YksxlFDmxCV4Ldtbxrh1zyitqFPR7PCnHK3xfWuN/xLZTOxjwiyol3mCk9Ul3W9I0 mD0ALCcSiCMoiWakFVFKTCLzbcI6ZA/14R6wHS2CQjxaXgzbGtKC3tVDPL5vV2z7/EPW o0Mw== X-Gm-Message-State: AGi0PuYcPB3sFG6m8g775k23yJKa4y2hj9LtVKAaR2tsdHhwwxNTCqUu zlxHqYuVjrnsxekihJdRrZpDtnrow05tykmEN68= X-Google-Smtp-Source: APiQypLL/41T5XJ5f77N1Y9DqxAnKNB9tmD/hcokoaqiolvAmxnaLOtNbbLqbbNPnCNXwO40g9yCXxMFfwRexkoNMoM= X-Received: by 2002:a37:68f:: with SMTP id 137mr5493096qkg.36.1588709762191; Tue, 05 May 2020 13:16:02 -0700 (PDT) MIME-Version: 1.0 References: <20200504062547.2047304-1-yhs@fb.com> <20200504062554.2047969-1-yhs@fb.com> In-Reply-To: <20200504062554.2047969-1-yhs@fb.com> From: Andrii Nakryiko Date: Tue, 5 May 2020 13:15:51 -0700 Message-ID: Subject: Re: [PATCH bpf-next v2 07/20] bpf: create file bpf iterator To: Yonghong Song Cc: Andrii Nakryiko , bpf , Martin KaFai Lau , Networking , Alexei Starovoitov , Daniel Borkmann , Kernel Team 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 Sun, May 3, 2020 at 11:26 PM Yonghong Song wrote: > > To produce a file bpf iterator, the fd must be > corresponding to a link_fd assocciated with a > trace/iter program. When the pinned file is > opened, a seq_file will be generated. > > Signed-off-by: Yonghong Song > --- LGTM. Acked-by: Andrii Nakryiko > include/linux/bpf.h | 2 ++ > kernel/bpf/bpf_iter.c | 17 ++++++++++++++++- > kernel/bpf/inode.c | 5 ++++- > 3 files changed, 22 insertions(+), 2 deletions(-) > [...]