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=-9.0 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,T_DKIMWL_WL_HIGH,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 CF4BAC28CC0 for ; Thu, 30 May 2019 03:18:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 9ED71247EA for ; Thu, 30 May 2019 03:18:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186329; bh=48QWxyRbS6OIC0nyUfFd69jYM1HcEg4sAJ2IE52vsMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=MSvAwrHfX8AEgH9V1hzxzMto5Y74X2kka5odJtuXMUDLeeobubTV0K+7knHyype77 eyQs9RLW9F20j4zrsajcbAhvQiqTZ3vkxif05KEnc8uZO/9tZKD4s3g9mKys0kZBGm 9Vm96eiDXgP158EkINGbA3GB2j/mBV2yIXnJHjS4= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731723AbfE3DSs (ORCPT ); Wed, 29 May 2019 23:18:48 -0400 Received: from mail.kernel.org ([198.145.29.99]:52610 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731714AbfE3DSs (ORCPT ); Wed, 29 May 2019 23:18:48 -0400 Received: from localhost (ip67-88-213-2.z213-88-67.customer.algx.net [67.88.213.2]) (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 56A86247F3; Thu, 30 May 2019 03:18:47 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559186327; bh=48QWxyRbS6OIC0nyUfFd69jYM1HcEg4sAJ2IE52vsMw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=0T5heefgHir4HAT65IuWKHfen01CBTCpRVL8ghm5v3o6c+ZT9/FK4eoJHTVkWxJBF dv7rharekN6EqWJDPyaWKdHKwmnc0DG7GauHdt/iDnqbPCzGvpuwf0xZWyoyMDrYS2 LpeyghN+RXOrDLTKOQ8wyN7jHFZOLUbzqpKztW/o= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Vineet Gupta , Yonghong Song , Alexei Starovoitov , Sasha Levin Subject: [PATCH 4.14 042/193] tools/bpf: fix perf build error with uClibc (seen on ARC) Date: Wed, 29 May 2019 20:04:56 -0700 Message-Id: <20190530030455.429601103@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030446.953835040@linuxfoundation.org> References: <20190530030446.953835040@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org [ Upstream commit ca31ca8247e2d3807ff5fa1d1760616a2292001c ] When build perf for ARC recently, there was a build failure due to lack of __NR_bpf. | Auto-detecting system features: | | ... get_cpuid: [ OFF ] | ... bpf: [ on ] | | # error __NR_bpf not defined. libbpf does not support your arch. ^~~~~ | bpf.c: In function 'sys_bpf': | bpf.c:66:17: error: '__NR_bpf' undeclared (first use in this function) | return syscall(__NR_bpf, cmd, attr, size); | ^~~~~~~~ | sys_bpf Signed-off-by: Vineet Gupta Acked-by: Yonghong Song Signed-off-by: Alexei Starovoitov Signed-off-by: Sasha Levin --- tools/lib/bpf/bpf.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c index 1d6907d379c99..976b28137d836 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -41,6 +41,8 @@ # define __NR_bpf 349 # elif defined(__s390__) # define __NR_bpf 351 +# elif defined(__arc__) +# define __NR_bpf 280 # else # error __NR_bpf not defined. libbpf does not support your arch. # endif -- 2.20.1