From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on archive.lwn.net X-Spam-Level: X-Spam-Status: No, score=-6.1 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham autolearn_force=no version=3.4.2 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by archive.lwn.net (Postfix) with ESMTP id 0C8177D08A for ; Thu, 7 Feb 2019 21:11:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727560AbfBGVLO (ORCPT ); Thu, 7 Feb 2019 16:11:14 -0500 Received: from mail-qt1-f194.google.com ([209.85.160.194]:36921 "EHLO mail-qt1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727547AbfBGVLO (ORCPT ); Thu, 7 Feb 2019 16:11:14 -0500 Received: by mail-qt1-f194.google.com with SMTP id a48so1607707qtb.4 for ; Thu, 07 Feb 2019 13:11:13 -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=4mIgxVnwUjCbTMBCqyTV21l4fxh2tBYvlp7a1Iq+g00=; b=OdOcMqR4tzei0JFGWAZNDMQQynHqoZv/RN4nsGQB+6+7W3wp5U4DBSn27L0R8n1r/p aXrLS5OkZdkVbXgyQRBAWRgqZd7YUJBJ5zjKwX7of+bD3/GDv3RVrrI74seyqhohpDkY 4o47U02u6dKEU1Ek7JDx8T7XKJImYylM3pWP0= 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=4mIgxVnwUjCbTMBCqyTV21l4fxh2tBYvlp7a1Iq+g00=; b=APjn0Of7n0Mal7Bif9zIbXVVLjYVVVR4C18G5c+In6XQE+X9k2ndWRo4LWk+aE9y2g yfURVQ3ltBTSuEZgnHEby9g7/w+VDuGbCRx/+sjBJ05uPR+jtVXfa6RRAK3Uw+pwwGsH dPDHrhHe7gySTaAie8FZZ9mrXQeKWE3XbEWlgJS7Z1DOQisd3D+neAsJPLIdO+34nM+5 NgVbiV0b8d8SQgJEOJ9yGX76VpB3RUZlXyo4bzJo2K4Qq9kw1riRbZQwtHDujRa4SFH2 Do7YVzA4N6cCOd1vOcjcmFjw66Vujln4gg/4jcOzNGDDpW6ZKTRE4ju3NbDbHIsNheEF R9sA== X-Gm-Message-State: AHQUAuZV/7GDSzLl83hU3YsftXKybw21Pmw1DLWqgFvd0rU+UpR+3R3x pRJu+V3VBV4tU1L7p68FQPENbA== X-Google-Smtp-Source: AHgI3Ibjf1LdZSEnZsCpLIxpg6+4AlHcsgwcis8N/gcIpr3tIeNTdtrMNwcS3D3z0AQeAFyWobHwWQ== X-Received: by 2002:ac8:26b9:: with SMTP id 54mr13660808qto.301.1549573873096; Thu, 07 Feb 2019 13:11:13 -0800 (PST) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id b77sm162681qka.5.2019.02.07.13.11.11 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 07 Feb 2019 13:11:12 -0800 (PST) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , Alexandre Torgue , Andrew Morton , ast@kernel.org, atishp04@gmail.com, dancol@google.com, Dan Williams , gregkh@linuxfoundation.org, Ingo Molnar , 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 , Mathieu Desnoyers , Maxime Coquelin , paulmck@linux.vnet.ibm.com, "Peter Zijlstra (Intel)" , rdunlap@infradead.org, rostedt@goodmis.org, Shuah Khan , Thomas Gleixner , x86@kernel.org (maintainer:X86 ARCHITECTURE (32-BIT AND 64-BIT)), yhs@fb.com Subject: [PATCH 2/2] Add selftests for module build using in-kernel headers Date: Thu, 7 Feb 2019 16:11:02 -0500 Message-Id: <20190207211102.154634-2-joel@joelfernandes.org> X-Mailer: git-send-email 2.20.1.611.gfbb209baf1-goog In-Reply-To: <20190207211102.154634-1-joel@joelfernandes.org> References: <20190207211102.154634-1-joel@joelfernandes.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-doc-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-doc@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/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 | 19 +++++++++++++++++++ 5 files changed, 46 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/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..c5cb191da9c7 --- /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 +make -C $TMP_DIR_HEADERS M=$(pwd) modules +popd + +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..eae030aab5db --- /dev/null +++ b/tools/testing/selftests/kheaders/testmod/test.c @@ -0,0 +1,19 @@ +// 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); -- 2.20.1.611.gfbb209baf1-goog