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=-10.6 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 4C093C433E2 for ; Tue, 1 Sep 2020 16:14:53 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 234FF2078B for ; Tue, 1 Sep 2020 16:14:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728239AbgIAQOs (ORCPT ); Tue, 1 Sep 2020 12:14:48 -0400 Received: from www62.your-server.de ([213.133.104.62]:33212 "EHLO www62.your-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731424AbgIAQNu (ORCPT ); Tue, 1 Sep 2020 12:13:50 -0400 Received: from sslproxy05.your-server.de ([78.46.172.2]) by www62.your-server.de with esmtpsa (TLSv1.2:DHE-RSA-AES256-GCM-SHA384:256) (Exim 4.89_1) (envelope-from ) id 1kD8uj-0002pa-A7; Tue, 01 Sep 2020 18:13:41 +0200 Received: from [178.196.57.75] (helo=pc-9.home) by sslproxy05.your-server.de with esmtpsa (TLSv1.3:TLS_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1kD8uj-0001E8-4A; Tue, 01 Sep 2020 18:13:41 +0200 Subject: Re: [PATCH bpf] tools/bpf: build: make sure resolve_btfids cleans up after itself To: =?UTF-8?Q?Toke_H=c3=b8iland-J=c3=b8rgensen?= , Jiri Olsa Cc: ast@fb.com, bpf@vger.kernel.org, netdev@vger.kernel.org, jolsa@kernel.org References: <20200901144343.179552-1-toke@redhat.com> <20200901152048.GA470123@krava> <87sgc1iior.fsf@toke.dk> From: Daniel Borkmann Message-ID: <68904564-aa5a-0ba7-01e6-21484daceb8c@iogearbox.net> Date: Tue, 1 Sep 2020 18:13:40 +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: <87sgc1iior.fsf@toke.dk> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 8bit X-Authenticated-Sender: daniel@iogearbox.net X-Virus-Scanned: Clear (ClamAV 0.102.4/25917/Tue Sep 1 15:24:01 2020) Sender: bpf-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: bpf@vger.kernel.org On 9/1/20 6:08 PM, Toke Høiland-Jørgensen wrote: > Jiri Olsa writes: > >> On Tue, Sep 01, 2020 at 04:43:43PM +0200, Toke Høiland-Jørgensen wrote: >>> The new resolve_btfids tool did not clean up the feature detection folder >>> on 'make clean', and also was not called properly from the clean rule in >>> tools/make/ folder on its 'make clean'. This lead to stale objects being >>> left around, which could cause feature detection to fail on subsequent >>> builds. >>> >>> Fixes: fbbb68de80a4 ("bpf: Add resolve_btfids tool to resolve BTF IDs in ELF object") >>> Signed-off-by: Toke Høiland-Jørgensen Applied, thanks guys!