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=-9.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 D9F4EC282DD for ; Wed, 22 May 2019 19:41:46 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A3C2B20675 for ; Wed, 22 May 2019 19:41:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558554106; bh=ZEOaOa7/cjki/9csMBailtCVQE5L3VElXMQNTLJbohU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=hN1FMSJi5lpxVbfmbKb9Pen2SIqXpZDadY8ZNwNO1bfc5W3N/6SFWm1Yrnjxuyi9O /svd5vDdfoRUPFzL3Ke0ZqCECC2wKvX4gnGoRWsuE+pHwhpCfWQvtU9dxSnMrCFTwU w5jWXBNjnOj/zTSCPZvTL5oxjDr18BjP0mzL28pI= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731663AbfEVT2x (ORCPT ); Wed, 22 May 2019 15:28:53 -0400 Received: from mail.kernel.org ([198.145.29.99]:51646 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732668AbfEVT2x (ORCPT ); Wed, 22 May 2019 15:28:53 -0400 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7E4682177E; Wed, 22 May 2019 19:28:51 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558553332; bh=ZEOaOa7/cjki/9csMBailtCVQE5L3VElXMQNTLJbohU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=rK/lYH+KQZJddOlHBaz9BKnwnOlqOe3SCKwGUm4DV5OgtbQyFDHtA6S02vTQP0bbB NSeMbVt3qO7NOoXppHwcaHMKyyq1h7COFIiQa0fGFv7FCLKUHc07qOUQ60aWqVxxv7 eYj5CIYi54gh59zO0A/hGZqHZAGkGBMOLS5YXurM= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Vineet Gupta , Vineet Gupta , Yonghong Song , Alexei Starovoitov , Sasha Levin , netdev@vger.kernel.org, bpf@vger.kernel.org Subject: [PATCH AUTOSEL 4.14 007/167] tools/bpf: fix perf build error with uClibc (seen on ARC) Date: Wed, 22 May 2019 15:26:02 -0400 Message-Id: <20190522192842.25858-7-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190522192842.25858-1-sashal@kernel.org> References: <20190522192842.25858-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Vineet Gupta [ 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