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 4B448C433EF for ; Thu, 16 Jun 2022 20:22:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1378332AbiFPUWY (ORCPT ); Thu, 16 Jun 2022 16:22:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231680AbiFPUWY (ORCPT ); Thu, 16 Jun 2022 16:22:24 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 51CD65B3C6; Thu, 16 Jun 2022 13:22:23 -0700 (PDT) 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 ams.source.kernel.org (Postfix) with ESMTPS id F2D57B82604; Thu, 16 Jun 2022 20:22:21 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CAD2C34114; Thu, 16 Jun 2022 20:22:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1655410940; bh=9RllCRm9hOwGB74wm9vFOEE5iJuWq+u1U1gnB/VeY64=; h=From:To:Cc:Subject:Date:From; b=LKZLJuBU0gF3dWB1qVxeS15RamUa5kVQiFdJkjvlDgaYQnv5L3aB6FLtDIsDIfGne +gqjH/NhjqVMsUA1Cj0SDk0xzuCM3LDABl89WTC/vTuT2wd1gf3KDEiYsCoU3Z3o45 YMEq/6ho1vOs2S2RfakUR5dgbUyrjRm4sg4o7Tn1KeaaYbn6HDzT+F91OgnWpDMZRV HR2EAmQuIme0d0m4iR/j511rRgi0Ry1Mm+jzXHZVRQ/IFwqA3Kz3/YqkcLA3ODnVWm wziUO/p9dLksm+PAqhi3aPji3ZiNdTtjhbk7aH1h4aJDIgeKTab1OdLsrnKAD6FOX5 phXJo+m+He0oQ== From: Jiri Olsa To: Arnaldo Carvalho de Melo , Alexei Starovoitov , Daniel Borkmann , Andrii Nakryiko Cc: linux-perf-users@vger.kernel.org, netdev@vger.kernel.org, bpf@vger.kernel.org, Ingo Molnar , Namhyung Kim , Alexander Shishkin , Peter Zijlstra , Martin KaFai Lau , Song Liu , Yonghong Song , John Fastabend , Ian Rogers Subject: [PATCHv5 bpf-next 0/1] perf tools: Fix prologue generation Date: Thu, 16 Jun 2022 22:22:13 +0200 Message-Id: <20220616202214.70359-1-jolsa@kernel.org> X-Mailer: git-send-email 2.35.3 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-perf-users@vger.kernel.org hi, sending change we discussed some time ago [1] to get rid of some deprecated functions we use in perf prologue code. Despite the gloomy discussion I think the final code does not look that bad ;-) This patchset removes following libbpf functions from perf: bpf_program__set_prep bpf_program__nth_fd struct bpf_prog_prep_result v5 changes: - squashed patches together so we don't break bisection [Arnaldo] v4 changes: - fix typo [Andrii] v3 changes: - removed R0/R1 zero init in libbpf_prog_prepare_load_fn, because it's not needed [Andrii] - rebased/post on top of bpf-next/master which now has all the needed perf/core changes v2 changes: - use fallback section prog handler, so we don't need to use section prefix [Andrii] - realloc prog->insns array in bpf_program__set_insns [Andrii] - squash patch 1 from previous version with bpf_program__set_insns change [Daniel] - patch 3 already merged [Arnaldo] - added more comments thanks, jirka [1] https://lore.kernel.org/bpf/CAEf4BzaiBO3_617kkXZdYJ8hS8YF--ZLgapNbgeeEJ-pY0H88g@mail.gmail.com/ --- Jiri Olsa (1): perf tools: Rework prologue generation code tools/perf/util/bpf-loader.c | 204 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++------------------ 1 file changed, 175 insertions(+), 29 deletions(-)