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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F2502C433F5 for ; Thu, 17 Feb 2022 13:19:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240828AbiBQNTg (ORCPT ); Thu, 17 Feb 2022 08:19:36 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:41758 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233011AbiBQNTg (ORCPT ); Thu, 17 Feb 2022 08:19:36 -0500 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DE912AE714; Thu, 17 Feb 2022 05:19:22 -0800 (PST) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 5F27B61BC4; Thu, 17 Feb 2022 13:19:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 237E3C340E9; Thu, 17 Feb 2022 13:19:17 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1645103960; bh=4EyEkWFqrHHaf+rJiEPSN1RBWYPrrcSmy23C9np2YRk=; h=From:To:Cc:Subject:Date:From; b=WHelvKVDfsFke/qLmJjKQGeO8J1BcsSAKCuZxV0PTASlG9ZPvNcNPNOXjkVnBCaDI HJOO/HpMbDQK0/hYuhTnR8ZR+xtJWLQo3ckgjpWVivqMuW0j2U+7ALXRBYx3eX/Hoq PicImU5n68NVmWZ/GTb6ueBRq+h/VS6sGM6gKr85nuD7ASr8Yh+Abmfo6VoUVK40/8 5P+fKQ7W0ndWpVAhe4+ajU5gEjkhg8CcjKGLiYI9Tha5e2+TbQ+ag5/kxvtvQPxyNc kPns+u0TTRpyjfQ8/bdTZJJEQFO2F1b//Nj0v+bz1JsS/lwbROfvyeYqGog0r5+Ep9 Rb74O5dcuCiKg== From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Peter Zijlstra , Ingo Molnar , Mark Rutland , Namhyung Kim , Alexander Shishkin , Ian Rogers , linux-perf-users@vger.kernel.org, bpf@vger.kernel.org, Andrii Nakryiko Subject: [PATCHv2 0/3] perf/bpf: Replace deprecated code Date: Thu, 17 Feb 2022 14:19:13 +0100 Message-Id: <20220217131916.50615-1-jolsa@kernel.org> X-Mailer: git-send-email 2.35.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org hi, the original patchset [1] removed the whole perf functionality with the hope nobody's using that. But it turned out there's actually bpf script using prologue functionality, so there might be users of this. This patchset gets rid of and adds workaround (and keeps the current functionality) for following deprecated libbpf functions/struct: bpf_program__set_priv bpf_program__priv bpf_map__set_priv bpf_map__priv bpf_program__set_prep bpf_program__nth_fd struct bpf_prog_prep_result Basically it implements workarounds suggested by Andrii in [2]. I tested with script from examples/bpf that are working for me: examples/bpf/hello.c examples/bpf/5sec.c The rest seem to fail for various reasons even without this change.. they seem unmaintained for some time now, but I might have wrong setup. Also available in here: git://git.kernel.org/pub/scm/linux/kernel/git/jolsa/perf.git perf/depre thanks, jirka [1] https://lore.kernel.org/linux-perf-users/YgoPxhE3OEEmZqla@krava/T/#t [2] https://lore.kernel.org/linux-perf-users/YgoPxhE3OEEmZqla@krava/T/#md3ccab9fe70a4583e94603b1a562e369bd67b17d --- Jiri Olsa (3): perf tools: Remove bpf_program__set_priv/bpf_program__priv usage perf tools: Remove bpf_map__set_priv/bpf_map__priv usage perf tools: Rework prologue generation code tools/perf/util/bpf-loader.c | 267 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 230 insertions(+), 37 deletions(-)