{"id":816334,"url":"http://patchwork.ozlabs.org/api/patches/816334/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/patch/20170920161159.25747-4-joelaf@google.com/","project":{"id":7,"url":"http://patchwork.ozlabs.org/api/projects/7/?format=json","name":"Linux network development","link_name":"netdev","list_id":"netdev.vger.kernel.org","list_email":"netdev@vger.kernel.org","web_url":null,"scm_url":null,"webscm_url":null,"list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20170920161159.25747-4-joelaf@google.com>","list_archive_url":null,"date":"2017-09-20T16:11:59","name":"[v4,4/4] samples/bpf: Add documentation on cross compilation","commit_ref":null,"pull_url":null,"state":"accepted","archived":true,"hash":"a502c1f4deb6a793e91895ed314bf01e423d8e9b","submitter":{"id":72107,"url":"http://patchwork.ozlabs.org/api/people/72107/?format=json","name":"Joel Fernandes","email":"joelaf@google.com"},"delegate":{"id":34,"url":"http://patchwork.ozlabs.org/api/users/34/?format=json","username":"davem","first_name":"David","last_name":"Miller","email":"davem@davemloft.net"},"mbox":"http://patchwork.ozlabs.org/project/netdev/patch/20170920161159.25747-4-joelaf@google.com/mbox/","series":[{"id":4158,"url":"http://patchwork.ozlabs.org/api/series/4158/?format=json","web_url":"http://patchwork.ozlabs.org/project/netdev/list/?series=4158","date":"2017-09-20T16:04:32","name":"Add cross-compilation support to eBPF samples","version":4,"mbox":"http://patchwork.ozlabs.org/series/4158/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/816334/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/816334/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"patchwork-incoming@ozlabs.org","Delivered-To":"patchwork-incoming@ozlabs.org","Authentication-Results":["ozlabs.org;\n\tspf=none (mailfrom) smtp.mailfrom=vger.kernel.org\n\t(client-ip=209.132.180.67; helo=vger.kernel.org;\n\tenvelope-from=netdev-owner@vger.kernel.org;\n\treceiver=)","ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=google.com header.i=@google.com\n\theader.b=\"WOL5Bz3I\"; dkim-atps=neutral"],"Received":["from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xy4XK5CGTz9s7c\n\tfor ;\n\tThu, 21 Sep 2017 02:12:49 +1000 (AEST)","(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1752001AbdITQMr (ORCPT );\n\tWed, 20 Sep 2017 12:12:47 -0400","from mail-pf0-f174.google.com ([209.85.192.174]:44755 \"EHLO\n\tmail-pf0-f174.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751937AbdITQMR (ORCPT\n\t); Wed, 20 Sep 2017 12:12:17 -0400","by mail-pf0-f174.google.com with SMTP id e1so1764736pfk.1\n\tfor ; Wed, 20 Sep 2017 09:12:16 -0700 (PDT)","from joelaf-glaptop0.roam.corp.google.com ([73.93.152.222])\n\tby smtp.gmail.com with ESMTPSA id\n\tx9sm8767200pfk.40.2017.09.20.09.12.14\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tWed, 20 Sep 2017 09:12:15 -0700 (PDT)"],"DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=google.com; s=20161025;\n\th=from:to:cc:subject:date:message-id:in-reply-to:references;\n\tbh=7lPdpAoEo+IjdpkoFj1bvRFQfcmY47Rc2nY6L1IoekU=;\n\tb=WOL5Bz3Ic9hRLExwtd6eGML5bHb/wIouqfBdf1m3wqr7O1pk4wV42rTagCA4AjaC5p\n\tg8WSNrOBGNCrvuBHiAIIuU/YHdeoo0H3//3CJN/xZO0a8dxUgsMDGjKTaMDEBfN01VBg\n\t4o3JkZtdzh2XR2uNLgR+WD4B0wILyWNqBp87LB8ZAtd1GFBgJ8uUYa5H0c6lhtUucKHa\n\tO/dmE7woqHn+KSZKVbHVUnGaNlfUzaeHSqUJo9ZOvHiBoPCJQPhEXBsftSp2wpEwEQ+g\n\ty0u4FLF4PdSIoQqGaBIV3nTxzkTUVlW09G1Awq7dzCnHBA6k/mMv62IEjGD58JHTl6gg\n\tb4Ow==","X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n\td=1e100.net; s=20161025;\n\th=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to\n\t:references;\n\tbh=7lPdpAoEo+IjdpkoFj1bvRFQfcmY47Rc2nY6L1IoekU=;\n\tb=K7FsfhCfftpMm/XGeowb14J7MlhqPr1wStGhXUwxCeX0P0efbOTMBCB6pU+oR7Ev2k\n\tirW2x0/mgUH1v4l1b/JxVQ/4J11AyUqljTtlKsm++Fhv/LkwVcCyc6uTopwZT7E5rqNF\n\typIX/dG1BHkvYR7OTR5pvaar+MxcCLcu4PF7zIcYWEmRqZ0a7clvAWioMAeojzqByoFB\n\txAh6ccgHcNYLFViiftwpjrLn76ZIOfdJTHPuxhSJzuc/+AHePB446G3hSUnVgLo6a7aA\n\t620ZpySxmlZNVhgKZfT7GSOKbDzepteyNG1B/f6vB884mxF/9qsA7xSqaLYd7jrOATlq\n\tSfOA==","X-Gm-Message-State":"AHPjjUh5Qj92jeph1KeJoCyLeBKS+pgTHZXL+n+rDgMHkIabznotTq8T\n\tpi0kyW9Dg8o9YRa7fIrycLnzR3Liw5c=","X-Google-Smtp-Source":"AOwi7QCLIXh6iGZmzMX/MafyErK7LRb+BgrlfxAKyJjG5C30V3Mno5mhJ1yZ33PJSnwK+XlkM/xBcA==","X-Received":"by 10.101.92.67 with SMTP id v3mr2676422pgr.409.1505923936049;\n\tWed, 20 Sep 2017 09:12:16 -0700 (PDT)","From":"Joel Fernandes ","To":"linux-kernel@vger.kernel.org","Cc":"netdev@vger.kernel.org, alison@she-devel.com, juri.lelli@arm.com,\n\tfengc@google.com, daniel@iogearbox.net, davem@davemloft.net,\n\tast@kernel.org, kernel-team@android.com,\n\tJoel Fernandes ","Subject":"[PATCH v4 4/4] samples/bpf: Add documentation on cross compilation","Date":"Wed, 20 Sep 2017 09:11:59 -0700","Message-Id":"<20170920161159.25747-4-joelaf@google.com>","X-Mailer":"git-send-email 2.14.1.821.g8fa685d3b7-goog","In-Reply-To":"<20170920161159.25747-1-joelaf@google.com>","References":"<20170920161159.25747-1-joelaf@google.com>","Sender":"netdev-owner@vger.kernel.org","Precedence":"bulk","List-ID":"","X-Mailing-List":"netdev@vger.kernel.org"},"content":"Acked-by: Alexei Starovoitov \nSigned-off-by: Joel Fernandes \n---\n samples/bpf/README.rst | 10 ++++++++++\n 1 file changed, 10 insertions(+)","diff":"diff --git a/samples/bpf/README.rst b/samples/bpf/README.rst\nindex 79f9a58f1872..2b906127ef54 100644\n--- a/samples/bpf/README.rst\n+++ b/samples/bpf/README.rst\n@@ -64,3 +64,13 @@ It is also possible to point make to the newly compiled 'llc' or\n 'clang' command via redefining LLC or CLANG on the make command line::\n \n make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang\n+\n+Cross compiling samples\n+-----------------------\n+Inorder to cross-compile, say for arm64 targets, export CROSS_COMPILE and ARCH\n+environment variables before calling make. This will direct make to build\n+samples for the cross target.\n+\n+export ARCH=arm64\n+export CROSS_COMPILE=\"aarch64-linux-gnu-\"\n+make samples/bpf/ LLC=~/git/llvm/build/bin/llc CLANG=~/git/llvm/build/bin/clang\n","prefixes":["v4","4/4"]}