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=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham 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 CCD99C169C4 for ; Mon, 11 Feb 2019 14:36:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93E9120844 for ; Mon, 11 Feb 2019 14:36:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="vXI9ElYY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731264AbfBKOgc (ORCPT ); Mon, 11 Feb 2019 09:36:32 -0500 Received: from mail-qt1-f196.google.com ([209.85.160.196]:43975 "EHLO mail-qt1-f196.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731254AbfBKOg3 (ORCPT ); Mon, 11 Feb 2019 09:36:29 -0500 Received: by mail-qt1-f196.google.com with SMTP id y4so12303766qtc.10 for ; Mon, 11 Feb 2019 06:36:28 -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=vRHtThFL07ujd2GIaElnGUBE4PoM9k17DABoMsWEQ+U=; b=vXI9ElYYEh4ySl/Go32AtAJuEVPTPLKri77UOQWX/E9mrjXwDXjlaxNtSwasmkzKwS VZCdR44kQ+IpH3S4+DvSwRiIulMBo2fz53T3R0kJ/W5ikZLVkaO1qLWcAIZArcLrRC7b Yewc0LgAscAkUJ+RukCeMJTPSRUKZKEetMLMo= 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=vRHtThFL07ujd2GIaElnGUBE4PoM9k17DABoMsWEQ+U=; b=saQmbJRwm0oIeY4GzPXO5iT/iowAmvCvkdWWjGHXoTr67jEoqVCZPcK7BH8eta9Neo ep3TaHkby1+EFkyCPKVsFdUW8h2OnQWO674SnVPl/mzPdFQCoS4CxiCvnA5axaZoAmOy ZBISjo5+7qiKs1IzH4PBZXMNHLI8lKoDdK8PWXSJ6s+btGnph4uGoSiwZSHUcvrcnWwS e+Vv51vSc4JFvTsc2tyfJybD1gCVWbBAkL3wP52OMLylMjknB9cL1f5heiR6okFHeG5K sftVrrkyfopYRJfKebhnOARGz6iebI5ZnXBGICJ27QhTiqkyX/2fQaxaoe//k4BN5dck 60vg== X-Gm-Message-State: AHQUAuYCdBRrUlseMNFuaK2E423RGWRjifoB3Q+9r40EUPZB1X2hO+VQ ytCdzolLVTL3oHLLNCHp7Z55YbcHnr4= X-Google-Smtp-Source: AHgI3IbiDPCtJLmse8/hwBkt3R1lcWARGroM5/jvxARQjRn3YdywUFJTPt7bODGWraQPTs652feHxA== X-Received: by 2002:ac8:66cc:: with SMTP id m12mr28004514qtp.374.1549895787747; Mon, 11 Feb 2019 06:36:27 -0800 (PST) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id q30sm16216712qtq.20.2019.02.11.06.36.25 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 11 Feb 2019 06:36:26 -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, Jonathan Corbet , karim.yaghmour@opersys.com, Kees Cook , kernel-team@android.com, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Manoj Rao , Masahiro Yamada , paulmck@linux.vnet.ibm.com, "Peter Zijlstra (Intel)" , rdunlap@infradead.org, rostedt@goodmis.org, Shuah Khan , Thomas Gleixner , yhs@fb.com Subject: [PATCH v2 2/2] Add selftests for module build using in-kernel headers Date: Mon, 11 Feb 2019 09:36:00 -0500 Message-Id: <20190211143600.15021-2-joel@joelfernandes.org> X-Mailer: git-send-email 2.20.1.791.gb4d0f1c61a-goog In-Reply-To: <20190211143600.15021-1-joel@joelfernandes.org> References: <20190211143600.15021-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This test tries to build a module successfully using the in-kernel headers found in /proc/kheaders.txz. 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..69d6fa237661 --- /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.txz +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..9178bf6f0cc8 --- /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"); -- 2.20.1.791.gb4d0f1c61a-goog