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=-5.2 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 0D56DC43446 for ; Wed, 13 May 2020 15:05:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 52CCF22229 for ; Wed, 13 May 2020 14:57:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389109AbgEMO5T (ORCPT ); Wed, 13 May 2020 10:57:19 -0400 Received: from www62.your-server.de ([213.133.104.62]:49148 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389058AbgEMO5T (ORCPT ); Wed, 13 May 2020 10:57:19 -0400 Received: from sslproxy02.your-server.de ([78.47.166.47]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1jYson-0002dc-Ir; Wed, 13 May 2020 16:57:09 +0200 Received: from [178.196.57.75] (helo=pc-9.home) by sslproxy02.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jYson-0002vB-7v; Wed, 13 May 2020 16:57:09 +0200 Subject: Re: [PATCH bpf-next v4] libbpf: fix probe code to return EPERM if encountered To: Eelco Chaudron , bpf@vger.kernel.org Cc: davem@davemloft.net, netdev@vger.kernel.org, ast@kernel.org, kafai@fb.com, songliubraving@fb.com, yhs@fb.com, andriin@fb.com, toke@redhat.com References: <158927424896.2342.10402475603585742943.stgit@ebuild> From: Daniel Borkmann Message-ID: <1c706733-47cb-0216-e8a6-214979af7494@iogearbox.net> Date: Wed, 13 May 2020 16:57:08 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <158927424896.2342.10402475603585742943.stgit@ebuild> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.102.2/25811/Wed May 13 14:11:53 2020) Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org On 5/12/20 11:04 AM, Eelco Chaudron wrote: > When the probe code was failing for any reason ENOTSUP was returned, even > if this was due to no having enough lock space. This patch fixes this by > returning EPERM to the user application, so it can respond and increase > the RLIMIT_MEMLOCK size. > > Signed-off-by: Eelco Chaudron Applied, thanks!