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=-15.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT 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 7C3DCC7618F for ; Mon, 22 Jul 2019 17:39:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5577021955 for ; Mon, 22 Jul 2019 17:39:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563817147; bh=c3B0smuDkmWXSxbZIwbw8pkX6fJx6IjY1J/ZCjJNx00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=PK6LOpgpuEPazjxljXzloyVciSJI3quDT7UxwbEUFcsrijnOgTRxCa2CwjMDUKBL1 GjcbPfjSjQi/jyvJxBI70p4rFiLOLP4Hz67cTYFm1vataepN4WWXPc09gBHCc4qG9M YA1KTLvv8vXY0R46e2UM4jl04pb/Tx99hbr3p1EA= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729130AbfGVRjG (ORCPT ); Mon, 22 Jul 2019 13:39:06 -0400 Received: from mail.kernel.org ([198.145.29.99]:45342 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728860AbfGVRjG (ORCPT ); Mon, 22 Jul 2019 13:39:06 -0400 Received: from quaco.ghostprotocols.net (unknown [190.15.121.82]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 0BA2821903; Mon, 22 Jul 2019 17:38:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1563817144; bh=c3B0smuDkmWXSxbZIwbw8pkX6fJx6IjY1J/ZCjJNx00=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Em3KCI63NyhBoCQnPQmaldYmCnf1WiN8RXXf1Ko9pbs4OXGgJIZzQWTVUMrhRQczG iP0IqSlGSwM4y5T8wMrz5hAEhr+BpdZWc0rM43vyLjjJ01wCINbnOEYRLcpWSZvB/0 8t4O1UZlETQkudML4nchO0lNWk9g2/5GCFfgv82o= From: Arnaldo Carvalho de Melo To: Ingo Molnar , Thomas Gleixner Cc: Jiri Olsa , Namhyung Kim , Clark Williams , linux-kernel@vger.kernel.org, linux-perf-users@vger.kernel.org, Arnaldo Carvalho de Melo , Adrian Hunter , =?UTF-8?q?Luis=20Cl=C3=A1udio=20Gon=C3=A7alves?= Subject: [PATCH 01/37] perf include bpf: Add bpf_tail_call() prototype Date: Mon, 22 Jul 2019 14:38:03 -0300 Message-Id: <20190722173839.22898-2-acme@kernel.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190722173839.22898-1-acme@kernel.org> References: <20190722173839.22898-1-acme@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Arnaldo Carvalho de Melo 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) \ -- 2.21.0