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=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 115DCC28CC2 for ; Thu, 30 May 2019 04:59:05 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D4D0226006 for ; Thu, 30 May 2019 04:59:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559192344; bh=Tsc5FwJGUz0dv4SN6BzokhMd9N97hCzCII9G86hIxm0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=XBdMTspYehslfgJIJC1NRblVT/YMtlR+CBx3lBsMG5XAmPfX2QaNj/IXBnrpPtRel bJktfuMbBHopvQL/UnhMZWLWpAzZnTpyO96ep/Fbw2pMfp5G2Lo+nKmK+FdVmGGr+P bSwzcXrnEZG7uXle3RU61dncq/PSH9Pti8/vZslo= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728139AbfE3E6v (ORCPT ); Thu, 30 May 2019 00:58:51 -0400 Received: from mail.kernel.org ([198.145.29.99]:45296 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727761AbfE3DJr (ORCPT ); Wed, 29 May 2019 23:09:47 -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 90FB624493; Thu, 30 May 2019 03:09:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1559185786; bh=Tsc5FwJGUz0dv4SN6BzokhMd9N97hCzCII9G86hIxm0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=BFGJMvZnPP3jllGUEmuBGsyHZB6mxNw+0qXxfUTgGVglNZ3KP7CRMSktGO4DT4Lxc 6BEdnD1Nqf8PJEyoiYZGDHdTHqG1kbANRMeFSM6M/64bYxGJJpneH4/AzlwELPnVza kpBWC3PlHGO7sdscEhoXOsDSWipuaar7jUlHO5bg= 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 5.1 054/405] tools/bpf: fix perf build error with uClibc (seen on ARC) Date: Wed, 29 May 2019 20:00:52 -0700 Message-Id: <20190530030543.590431276@linuxfoundation.org> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190530030540.291644921@linuxfoundation.org> References: <20190530030540.291644921@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 9cd015574e838..d82edadf75893 100644 --- a/tools/lib/bpf/bpf.c +++ b/tools/lib/bpf/bpf.c @@ -46,6 +46,8 @@ # 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