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=-11.8 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED 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 6559CC433FF for ; Tue, 30 Jul 2019 17:47:40 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3D435216C8 for ; Tue, 30 Jul 2019 17:47:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=zytor.com header.i=@zytor.com header.b="lPb+nXZ9" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730445AbfG3Rrj (ORCPT ); Tue, 30 Jul 2019 13:47:39 -0400 Received: from terminus.zytor.com ([198.137.202.136]:54435 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728291AbfG3Rri (ORCPT ); Tue, 30 Jul 2019 13:47:38 -0400 Received: from terminus.zytor.com (localhost [127.0.0.1]) by terminus.zytor.com (8.15.2/8.15.2) with ESMTPS id x6UHlErx3319525 (version=TLSv1.3 cipher=TLS_AES_256_GCM_SHA384 bits=256 verify=NO); Tue, 30 Jul 2019 10:47:14 -0700 DKIM-Filter: OpenDKIM Filter v2.11.0 terminus.zytor.com x6UHlErx3319525 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=zytor.com; s=2019071901; t=1564508834; bh=t+MkmvfE59ROIbsr4Gdom9ISpz3jiS++m6OWr/CW1Yw=; h=Date:From:Cc:Reply-To:To:Subject:From; b=lPb+nXZ9+9140fUT4nQfrej7Srsqp96aKOAl4Zvzbh5yOyvMYyKSncS9UGgfrJpSf Y+IMiMErPZOVX5DITOkYb96YdbuGm3iqyL8h+QPNsUMJ5EwlXiDcliS2OwBdF2ZWXU XYlX3uA2SGIyMRuts7AvwtFJzybyyyr0bvUxOfV7GJZ/7FoH6Qb8nTHqGLAvfCm3TI 1vpnvzzRDjqKT2w+Jb2pbQaJ9ZXCjYXVXd03UzOPS1t8gh0Br2yVH7KMSYBPx4RW70 G1a23dtk2sv00pj6dCEGCFTHPQLE1bjuaGHydfdtaSyKEgbj0MxfdlFhUGHsXeO14S 1vK1KloLwxX8g== Received: (from tipbot@localhost) by terminus.zytor.com (8.15.2/8.15.2/Submit) id x6UHlDk33319520; Tue, 30 Jul 2019 10:47:13 -0700 Date: Tue, 30 Jul 2019 10:47:13 -0700 X-Authentication-Warning: terminus.zytor.com: tipbot set sender to tipbot@zytor.com using -f From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: hpa@zytor.com, jolsa@kernel.org, adrian.hunter@intel.com, tglx@linutronix.de, namhyung@kernel.org, lclaudio@redhat.com, mingo@kernel.org, linux-kernel@vger.kernel.org, acme@redhat.com Reply-To: mingo@kernel.org, linux-kernel@vger.kernel.org, lclaudio@redhat.com, namhyung@kernel.org, acme@redhat.com, jolsa@kernel.org, hpa@zytor.com, tglx@linutronix.de, adrian.hunter@intel.com To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf include bpf: Add bpf_tail_call() prototype Git-Commit-ID: 941a7658e065e339ebdaf27b9a7702f9935d1d4a X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: 941a7658e065e339ebdaf27b9a7702f9935d1d4a Gitweb: https://git.kernel.org/tip/941a7658e065e339ebdaf27b9a7702f9935d1d4a Author: Arnaldo Carvalho de Melo AuthorDate: Mon, 15 Jul 2019 15:25:41 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 29 Jul 2019 18:34:40 -0300 perf include bpf: Add bpf_tail_call() prototype Will be used together with BPF_MAP_TYPE_PROG_ARRAY in tools/perf/examples/bpf/augmented_raw_syscalls.c. Cc: Adrian Hunter Cc: Jiri Olsa Cc: Luis Cláudio Gonçalves Cc: Namhyung Kim Link: https://lkml.kernel.org/n/tip-pd1bpy8i31nta6jqwdex871g@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/include/bpf/bpf.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/include/bpf/bpf.h b/tools/perf/include/bpf/bpf.h index 2eac6d804b2d..b422aeef5339 100644 --- a/tools/perf/include/bpf/bpf.h +++ b/tools/perf/include/bpf/bpf.h @@ -45,6 +45,8 @@ struct ____btf_map_##name __attribute__((section(".maps." #name), used)) \ static int (*bpf_map_update_elem)(struct bpf_map *map, void *key, void *value, u64 flags) = (void *)BPF_FUNC_map_update_elem; static void *(*bpf_map_lookup_elem)(struct bpf_map *map, void *key) = (void *)BPF_FUNC_map_lookup_elem; +static void (*bpf_tail_call)(void *ctx, void *map, int index) = (void *)BPF_FUNC_tail_call; + #define SEC(NAME) __attribute__((section(NAME), used)) #define probe(function, vars) \