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=unavailable 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 C43EB7D099 for ; Wed, 20 Mar 2019 16:32:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727660AbfCTQbv (ORCPT ); Wed, 20 Mar 2019 12:31:51 -0400 Received: from mail-qk1-f193.google.com ([209.85.222.193]:43284 "EHLO mail-qk1-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726846AbfCTQbv (ORCPT ); Wed, 20 Mar 2019 12:31:51 -0400 Received: by mail-qk1-f193.google.com with SMTP id c20so9740181qkc.10 for ; Wed, 20 Mar 2019 09:31:50 -0700 (PDT) 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=wdHEx/0MGPZcjYnM850Y8pJ0YyzAWC/cB9GIf0oOCMw=; b=hOBm3d0x8T/H3tshM3uHJssYTOR++ZKkN7smGwghLiy0m2+rzwHXOpmu4RHjEBM232 G/DKOQ8E2xdCIdE+3++r5nSQ7HY0uq2fYSOdIusBxRRktrTmtO1MzmUybXDq5ZaGmSjL Jz+Acl0jWDkncIV0+oXYi+9CPj0LxGV6IWJwE= 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=wdHEx/0MGPZcjYnM850Y8pJ0YyzAWC/cB9GIf0oOCMw=; b=r+bP7HHo/2hzGflxQ6aGwH+pkT/9gLzlNAwtDR9BqOxXUGqiL4GPfNJrkjGbRbyOC2 bourg2KeU5E33NW561nd8zI9aqxf+pQZc/V+ZXTjK1JEMv4Um2QjX93FKcc9iL90ff1E 0EsaQKQdL6NMAZa67/xup1fWOZ3OtXz1lOuTSpWPogRl9ZFJqWOngdMr1KFdLkbT+p9b dogVTSmqhBTLf388xU+p02x0M2lbSc6YYd7xKgFnoaBdYzSv6kqCeXZ85epzlsJ1A6md ajCf01A8a+FwKbEAe5lcNFJpFMWoeqyQoqdFtLoKGHrKj6QVxRxFu1gf0Yc+/P5lJIYf 5YPw== X-Gm-Message-State: APjAAAXxLzVNcOoPGl90wBMyvbRzrHkl8gK/0n43KIkBXKijoW8A13tp tw5Vrh+grZqr1nmP1WOPRgep1Q== X-Google-Smtp-Source: APXvYqzFdGH3wJA2D37ApIyVmy0Bntun4Q3zYfSUQ0I20LrS0RuWkPRwSFOXtD4jRU3Hb8yJL1IF1A== X-Received: by 2002:a37:c9d9:: with SMTP id m86mr7066418qkl.174.1553099509560; Wed, 20 Mar 2019 09:31:49 -0700 (PDT) Received: from joelaf.cam.corp.google.com ([2620:0:1004:1100:cca9:fccc:8667:9bdc]) by smtp.gmail.com with ESMTPSA id h10sm2289721qta.3.2019.03.20.09.31.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 20 Mar 2019 09:31:48 -0700 (PDT) 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 , dietmar.eggemann@arm.com, 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, qais.yousef@arm.com, rdunlap@infradead.org, rostedt@goodmis.org, Shuah Khan , yhs@fb.com Subject: [PATCH v5 2/3] Add selftests for module build using in-kernel headers Date: Wed, 20 Mar 2019 12:31:15 -0400 Message-Id: <20190320163116.39275-2-joel@joelfernandes.org> X-Mailer: git-send-email 2.21.0.225.g810b269d1ac-goog In-Reply-To: <20190320163116.39275-1-joel@joelfernandes.org> References: <20190320163116.39275-1-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.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 971fc8428117..2446cfeae1c5 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 += livepatch 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"); -- 2.21.0.225.g810b269d1ac-goog