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{ "id": 809345, "url": "http://patchwork.ozlabs.org/api/covers/809345/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/cover/20170903182326.30547-1-joelaf@google.com/", "project": { "id": 7, "url": "http://patchwork.ozlabs.org/api/projects/7/?format=api", "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": "<20170903182326.30547-1-joelaf@google.com>", "list_archive_url": null, "date": "2017-09-03T18:23:21", "name": "[RFC,v3,0/4] Add cross-compilation support to eBPF samples", "submitter": { "id": 72107, "url": "http://patchwork.ozlabs.org/api/people/72107/?format=api", "name": "Joel Fernandes", "email": "joelaf@google.com" }, "mbox": "http://patchwork.ozlabs.org/project/netdev/cover/20170903182326.30547-1-joelaf@google.com/mbox/", "series": [ { "id": 1268, "url": "http://patchwork.ozlabs.org/api/series/1268/?format=api", "web_url": "http://patchwork.ozlabs.org/project/netdev/list/?series=1268", "date": "2017-09-03T18:23:21", "name": "Add cross-compilation support to eBPF samples", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/1268/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/covers/809345/comments/", "headers": { "Return-Path": "<netdev-owner@vger.kernel.org>", "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=<UNKNOWN>)", "ozlabs.org; dkim=pass (2048-bit key;\n\tunprotected) header.d=google.com header.i=@google.com\n\theader.b=\"L2byqCEc\"; dkim-atps=neutral" ], "Received": [ "from vger.kernel.org (vger.kernel.org [209.132.180.67])\n\tby ozlabs.org (Postfix) with ESMTP id 3xlhFV2YlZz9sPs\n\tfor <patchwork-incoming@ozlabs.org>;\n\tMon, 4 Sep 2017 04:23:58 +1000 (AEST)", "(majordomo@vger.kernel.org) by vger.kernel.org via listexpand\n\tid S1751517AbdICSXn (ORCPT <rfc822;patchwork-incoming@ozlabs.org>);\n\tSun, 3 Sep 2017 14:23:43 -0400", "from mail-pf0-f182.google.com ([209.85.192.182]:34655 \"EHLO\n\tmail-pf0-f182.google.com\" rhost-flags-OK-OK-OK-OK) by vger.kernel.org\n\twith ESMTP id S1751287AbdICSXm (ORCPT\n\t<rfc822;netdev@vger.kernel.org>); Sun, 3 Sep 2017 14:23:42 -0400", "by mail-pf0-f182.google.com with SMTP id l87so12468682pfj.1\n\tfor <netdev@vger.kernel.org>; Sun, 03 Sep 2017 11:23:42 -0700 (PDT)", "from joelaf-glaptop0.roam.corp.google.com\n\t(74.sub-70-213-6.myvzw.com. [70.213.6.74])\n\tby smtp.gmail.com with ESMTPSA id\n\tb27sm5504762pfh.107.2017.09.03.11.23.38\n\t(version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128);\n\tSun, 03 Sep 2017 11:23:40 -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;\n\tbh=t3k03R5xYx4GCfqjMlkSUVntaoidgDfvF6I7Ss1r+5w=;\n\tb=L2byqCEcwasYF00aIPl0gAXTYVEvJnhP+GrJzNxZKlJclVkwt0c4qXr8eS5Yn1i3Tc\n\tq16ApvCTIlqH4Iqr36tAeTvz7lfbLNRDfVGm5pe9xLNiab++bTy2gpmJvsCulQn1c4Qm\n\tTnaP83dMCPTgU75+rcaK3naevA1Z8g2Kb//bd8M9i5oM/bdGD/dxbbowvgZZ6wPp6Kkw\n\tku7PKa/uUtioJBkdUYq29R3gpFYOBtNFhLLKLesLyeIRo80nyc3AVKGvWH0k6z+yRzqa\n\t9QUKKP5SxYqdCKp7CLIU9e48dfH6CMiIx3SKp2n4NgDUE5sv1E34JXz1O1QZw6Y4BMEk\n\tx9JQ==", "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;\n\tbh=t3k03R5xYx4GCfqjMlkSUVntaoidgDfvF6I7Ss1r+5w=;\n\tb=VVwXQ4wwDalA8PuJstjv+RQ3imkMh84/y+k+yOcy3qZdJxHh/a3Dv4T+/fEUQQXb1r\n\thjtqxPQfWkHFFFSlwmLkIMBX4CisWaB7gKea7Ty8/swuCSrffsPEuduLP6dIak3AShLQ\n\tsvfZJHEmvgoIwuXNdDkdE8au4zad5wXgprwtjsKQwh22AVq1pu0pNkvM3q4laELYvcxc\n\tSGQq1Yobq5crwrz/jPQ2lQLaKeQtxiBl2VBjO4p6pXsEmcHtFDsk5gwM//lhhbZPwBav\n\tzwqFjMMOPzednxgC9EfC9U/csFKQrT67JxbVHU1s4GKVqyeECQZfl/ZSmnagwnxAVcLw\n\tYGhw==", "X-Gm-Message-State": "AHPjjUg/5njS+45VmkinN+spd4mdherrUgGY3iVRLn8ECUkivuuG2qJF\n\ttlY7RyZ1WW3RtSeQ", "X-Google-Smtp-Source": "ADKCNb5eIgqQYfKjch9ADPcLnXAUhVzoMOb2KJaw0rk/uuwXf7nB0Ojo6IvmZUuWxwYOzeUKdDNyPA==", "X-Received": "by 10.84.210.46 with SMTP id z43mr747058plh.154.1504463021363;\n\tSun, 03 Sep 2017 11:23:41 -0700 (PDT)", "From": "Joel Fernandes <joelaf@google.com>", "To": "linux-kernel@vger.kernel.org, netdev@vger.kernel.org", "Cc": "kernel-team@android.com, Juri Lelli <juri.lelli@arm.com>,\n\tAlison Chaiken <alison@she-devel.com>, Chenbo Feng <fengc@google.com>,\n\tJoel Fernandes <joelaf@google.com>, Alexei Starovoitov <ast@kernel.org>,\n\tDaniel Borkmann <daniel@iogearbox.net>,\n\tDavid Miller <davem@davemloft.net>", "Subject": "[PATCH RFC v3 0/4] Add cross-compilation support to eBPF samples", "Date": "Sun, 3 Sep 2017 11:23:21 -0700", "Message-Id": "<20170903182326.30547-1-joelaf@google.com>", "X-Mailer": "git-send-email 2.14.1.581.gf28d330327-goog", "Sender": "netdev-owner@vger.kernel.org", "Precedence": "bulk", "List-ID": "<netdev.vger.kernel.org>", "X-Mailing-List": "netdev@vger.kernel.org" }, "content": "These patches fix issues seen when cross-compiling eBPF samples on arm64.\nCompared to [1], I dropped the controversial inline-asm patch pending further\ndiscussion on the right way to do it. However these patches are still a step in\nthe right direction and I wanted them to get in before the more controversial\nbit.\n\n[1] https://lkml.org/lkml/2017/8/7/417\n\nJoel Fernandes (4):\n samples/bpf: Use getppid instead of getpgrp for array map stress\n samples/bpf: Enable cross compiler support\n samples/bpf: Fix pt_regs issues when cross-compiling\n samples/bpf: Add documentation on cross compilation\n\n samples/bpf/Makefile | 7 +++-\n samples/bpf/README.rst | 10 ++++++\n samples/bpf/map_perf_test_kern.c | 2 +-\n samples/bpf/map_perf_test_user.c | 2 +-\n tools/testing/selftests/bpf/bpf_helpers.h | 56 +++++++++++++++++++++++++++----\n 5 files changed, 67 insertions(+), 10 deletions(-)\n\nCC: Alexei Starovoitov <ast@kernel.org>\nCC: Daniel Borkmann <daniel@iogearbox.net>\nCc: David Miller <davem@davemloft.net>" }