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=-12.8 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 78B57C433B4 for ; Thu, 13 May 2021 21:09:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A12D61439 for ; Thu, 13 May 2021 21:09:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233221AbhEMVKQ (ORCPT ); Thu, 13 May 2021 17:10:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48100 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232569AbhEMVKO (ORCPT ); Thu, 13 May 2021 17:10:14 -0400 Received: from mail-yb1-xb36.google.com (mail-yb1-xb36.google.com [IPv6:2607:f8b0:4864:20::b36]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F1461C061574 for ; Thu, 13 May 2021 14:09:02 -0700 (PDT) Received: by mail-yb1-xb36.google.com with SMTP id e128so759888ybf.6 for ; Thu, 13 May 2021 14:09:02 -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=hJAWl72w8rp7GN+CV559nO5m/QY9ah8/QxE4SQ181aU=; b=a8wbtm2oXYmTCpShn1bUdi9zpqE0DcAxJYre6xNLMd6mZdrzScydhbiCoU7v86vWXt KmRPsZaq/+OlBR6UXHKvg/b9/ssRVCi18TjgqOapxLFu5rhJ/ldLUc88lp+e1cGXVzGt W10FlyJK2h8QN/Xi522kufmRjZow9UIjKWVoiYvA0kSuM/hbKyEl2Fec/5f01PpQpQwx WsyJnIq9VmgrlaY59NetR94yOqqm+hjpOfVPgERxSCJPk1/tLBhZ1pGNIAp9QGGEW1jL D0lXjDl4gCoQ97+2DZXSPQHg+cAcyqqGcnWQwyy5IdXqw2/uaxPSgFhBzvwdCC1THlca 76FQ== 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=hJAWl72w8rp7GN+CV559nO5m/QY9ah8/QxE4SQ181aU=; b=mTsH0n1IltZLxiq++vNEzw44DehxitQdAsw9ub5R9gGuSdJQ7PLZjuDNeP3w8A+TSP bl9uSXJT4nqdfhN1tXDEWlL9ixrui5jH1EJTEeD26JbPJIO2mkd0dsCMrNTOup+1t20A +MHbbZ8Ro9SUSAcR6iCblBw3sPGGbZgN4pbmEEYjyNWuFpwONORhZBh4C1jeSYAMIc3m 8bh26EQmuv/YfkTodZSTOR0GAqnwOGGQTXBlrrWncFI6FylTFE8k+B1tU1n+gj19E9sa DdWoIV665kbZOJ3NoFtiL1SjZ65SwYIIBYenZi0R1ZNucsF5kAe0yfkG0hA8VjqaI4MC YnCw== X-Gm-Message-State: AOAM531NcaV+B7Yf9m42l46PYFmsBijXXqtIry+KFHeQV9MBmeaQXefO HmvwNzTbYlPKxwMK5RIXtLKdxOej/vEa7SI/eMYvKFlkNPY= X-Google-Smtp-Source: ABdhPJxFOrTMvsfU+7Us9eJIhXprQOI+fLGU6O+p88MlxI4RuLb0O8pLJCcoYq5Ja8OgpLNIU991BZkkYVQtRNxkses= X-Received: by 2002:a25:ba06:: with SMTP id t6mr56600707ybg.459.1620940142271; Thu, 13 May 2021 14:09:02 -0700 (PDT) MIME-Version: 1.0 References: <20210512213256.31203-1-alexei.starovoitov@gmail.com> <20210512213256.31203-11-alexei.starovoitov@gmail.com> In-Reply-To: <20210512213256.31203-11-alexei.starovoitov@gmail.com> From: Andrii Nakryiko Date: Thu, 13 May 2021 14:08:51 -0700 Message-ID: Subject: Re: [PATCH v5 bpf-next 10/21] bpf: Add bpf_sys_close() helper. To: Alexei Starovoitov Cc: "David S. Miller" , Daniel Borkmann , Andrii Nakryiko , john fastabend , bpf , Kernel Team Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On Wed, May 12, 2021 at 2:33 PM Alexei Starovoitov wrote: > > From: Alexei Starovoitov > > Add bpf_sys_close() helper to be used by the syscall/loader program to close > intermediate FDs and other cleanup. > Note this helper must never be allowed inside fdget/fdput bracketing. > > Signed-off-by: Alexei Starovoitov > --- Acked-by: Andrii Nakryiko > include/uapi/linux/bpf.h | 7 +++++++ > kernel/bpf/syscall.c | 19 +++++++++++++++++++ > tools/include/uapi/linux/bpf.h | 7 +++++++ > 3 files changed, 33 insertions(+) > [...]