From patchwork Wed Feb 27 19:37:48 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joel Fernandes X-Patchwork-Id: 10832237 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id ACD751390 for ; Wed, 27 Feb 2019 19:38:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9E0BB28CD3 for ; Wed, 27 Feb 2019 19:38:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9191B2E283; Wed, 27 Feb 2019 19:38:27 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 1581828CD3 for ; Wed, 27 Feb 2019 19:38:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730189AbfB0TiO (ORCPT ); Wed, 27 Feb 2019 14:38:14 -0500 Received: from mail-qt1-f194.google.com ([209.85.160.194]:37136 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726594AbfB0TiO (ORCPT ); Wed, 27 Feb 2019 14:38:14 -0500 Received: by mail-qt1-f194.google.com with SMTP id a48so20688112qtb.4 for ; Wed, 27 Feb 2019 11:38:13 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Eqlz7ksxRs119NvZnBQ8tRqtfq4aD0fzoJTM2ghOri4=; b=J3aAENHEyTEBO7MFKGXM21cPk6pEJe2iHhFc4Tn1VDAX5IgQAex+3Sapnc+Ze1AKD5 Ct1EVxu0YDXZNsD/GgXz8dyeL+EjQTTeak75Ul3uXUS0eeoJxyspVKYl65ZkUTCVaCI4 WLzd27hS7Nw1sE0qX/gNoFNHiu9j5daqrnApQ= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Eqlz7ksxRs119NvZnBQ8tRqtfq4aD0fzoJTM2ghOri4=; b=Sy4IakMsZ7EHIg9TmbCWdABu07iAF4ep5W0X+TqCuJopy9I9LULjKdWX2AhfQ+4cYG YPlmui1aVbrlmyGKvtl3Ysw3+25xEUXqBhcnIW3SBjXqflaS2NEO1l7uIu1yPsCv2Y7n LvqwMmf9pHL3WqcgClAsXox+9zWt5+VOX0Ap+1ccNChgLTWf+Q6WqrhxAHtmtQwHWiMf R/qReTzn+T1fa4TTeK5CdjTLC0fnnetlB0Rkn2Yidx7PPRroVeQKKj7mGyBl/Cl4XsMk tJj9NVvoIJyg2dh4QqsHd/5jA45AFRyr/SUqAJdidFyjAnUD4CGsNp/wfTq+Kfp6vBIS H+KA== X-Gm-Message-State: AHQUAubUHNdJU/bJ/2F+xwFGFLl2lpK9n+GRz4K45YXgM+wvEazg6R/o KPHQAGpqkQ1qyb7tPp6QXyQfRA== X-Google-Smtp-Source: AHgI3IbljVTc+4hfmQZHlE5yxCZi95njItqSx40sCZnHzwDeSeopIUZDv054QSa/k4j/ZdxChX/D7Q== X-Received: by 2002:ac8:2b4b:: with SMTP id 11mr3029444qtv.252.1551296292713; Wed, 27 Feb 2019 11:38:12 -0800 (PST) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id w8sm16087141qkw.80.2019.02.27.11.38.10 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 27 Feb 2019 11:38:11 -0800 (PST) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , Andrew Morton , ast@kernel.org, atishp04@gmail.com, dancol@google.com, Dan Williams , gregkh@linuxfoundation.org, Guenter Roeck , Jonathan Corbet , karim.yaghmour@opersys.com, Kees Cook , kernel-team@android.com, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-trace-devel@vger.kernel.org, Manoj Rao , Masahiro Yamada , mhiramat@kernel.org, paulmck@linux.vnet.ibm.com, "Peter Zijlstra (Intel)" , qais.yousef@arm.com, rdunlap@infradead.org, rostedt@goodmis.org, Shuah Khan , Thomas Gleixner , yhs@fb.com Subject: [PATCH v3 2/2] Add selftests for module build using in-kernel headers Date: Wed, 27 Feb 2019 14:37:48 -0500 Message-Id: <20190227193748.132301-2-joel@joelfernandes.org> X-Mailer: git-send-email 2.21.0.rc2.261.ga7da99ff1b-goog In-Reply-To: <20190227193748.132301-1-joel@joelfernandes.org> References: <20190227193748.132301-1-joel@joelfernandes.org> MIME-Version: 1.0 Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP This test tries to build a module successfully using the in-kernel headers found in /proc/kheaders.tar.xz. Verified pass and fail scenarios by running: make -C tools/testing/selftests TARGETS=kheaders run_tests Signed-off-by: Joel Fernandes (Google) --- tools/testing/selftests/Makefile | 1 + tools/testing/selftests/kheaders/Makefile | 5 +++++ tools/testing/selftests/kheaders/config | 1 + .../kheaders/run_kheaders_modbuild.sh | 18 +++++++++++++++++ .../selftests/kheaders/testmod/Makefile | 3 +++ .../testing/selftests/kheaders/testmod/test.c | 20 +++++++++++++++++++ 6 files changed, 48 insertions(+) create mode 100644 tools/testing/selftests/kheaders/Makefile create mode 100644 tools/testing/selftests/kheaders/config create mode 100755 tools/testing/selftests/kheaders/run_kheaders_modbuild.sh create mode 100644 tools/testing/selftests/kheaders/testmod/Makefile create mode 100644 tools/testing/selftests/kheaders/testmod/test.c diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile index 400ee81a3043..5a9287fddd0d 100644 --- a/tools/testing/selftests/Makefile +++ b/tools/testing/selftests/Makefile @@ -20,6 +20,7 @@ TARGETS += intel_pstate TARGETS += ipc TARGETS += ir TARGETS += kcmp +TARGETS += kheaders TARGETS += kvm TARGETS += lib TARGETS += membarrier diff --git a/tools/testing/selftests/kheaders/Makefile b/tools/testing/selftests/kheaders/Makefile new file mode 100644 index 000000000000..51035ab0732b --- /dev/null +++ b/tools/testing/selftests/kheaders/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0 + +TEST_PROGS := run_kheaders_modbuild.sh + +include ../lib.mk diff --git a/tools/testing/selftests/kheaders/config b/tools/testing/selftests/kheaders/config new file mode 100644 index 000000000000..5221f9fb5e79 --- /dev/null +++ b/tools/testing/selftests/kheaders/config @@ -0,0 +1 @@ +CONFIG_IKHEADERS_PROC=y diff --git a/tools/testing/selftests/kheaders/run_kheaders_modbuild.sh b/tools/testing/selftests/kheaders/run_kheaders_modbuild.sh new file mode 100755 index 000000000000..f001568e08b0 --- /dev/null +++ b/tools/testing/selftests/kheaders/run_kheaders_modbuild.sh @@ -0,0 +1,18 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 + +HEADERS_XZ=/proc/kheaders.tar.xz +TMP_DIR_HEADERS=$(mktemp -d) +TMP_DIR_MODULE=$(mktemp -d) +SPATH="$(dirname "$(readlink -f "$0")")" + +tar -xvf $HEADERS_XZ -C $TMP_DIR_HEADERS > /dev/null + +cp -r $SPATH/testmod $TMP_DIR_MODULE/ + +pushd $TMP_DIR_MODULE/testmod > /dev/null +make -C $TMP_DIR_HEADERS M=$(pwd) modules +popd > /dev/null + +rm -rf $TMP_DIR_HEADERS +rm -rf $TMP_DIR_MODULE diff --git a/tools/testing/selftests/kheaders/testmod/Makefile b/tools/testing/selftests/kheaders/testmod/Makefile new file mode 100644 index 000000000000..7083e28706e8 --- /dev/null +++ b/tools/testing/selftests/kheaders/testmod/Makefile @@ -0,0 +1,3 @@ +# SPDX-License-Identifier: GPL-2.0 + +obj-m += test.o diff --git a/tools/testing/selftests/kheaders/testmod/test.c b/tools/testing/selftests/kheaders/testmod/test.c new file mode 100644 index 000000000000..6eb0b8492ffa --- /dev/null +++ b/tools/testing/selftests/kheaders/testmod/test.c @@ -0,0 +1,20 @@ +// SPDX-License-Identifier: GPL-2.0 + +#include +#include +#include + +static int __init hello_init(void) +{ + printk(KERN_INFO "Hello, world\n"); + return 0; +} + +static void __exit hello_exit(void) +{ + printk(KERN_INFO "Goodbye, world\n"); +} + +module_init(hello_init); +module_exit(hello_exit); +MODULE_LICENSE("GPL v2");