From: "Joel Fernandes (Google)" <joel@joelfernandes.org>
To: linux-kernel@vger.kernel.org
Cc: "Joel Fernandes (Google)" <joel@joelfernandes.org>,
Andrew Morton <akpm@linux-foundation.org>,
ast@kernel.org, atishp04@gmail.com, dancol@google.com,
Dan Williams <dan.j.williams@intel.com>,
gregkh@linuxfoundation.org, Guenter Roeck <groeck@chromium.org>,
Jonathan Corbet <corbet@lwn.net>,
karim.yaghmour@opersys.com, Kees Cook <keescook@chromium.org>,
kernel-team@android.com, linux-doc@vger.kernel.org,
linux-kselftest@vger.kernel.org,
linux-trace-devel@vger.kernel.org,
Manoj Rao <linux@manojrajarao.com>,
Masahiro Yamada <yamada.masahiro@socionext.com>,
mhiramat@kernel.org, paulmck@linux.vnet.ibm.com,
"Peter Zijlstra (Intel)" <peterz@infradead.org>,
qais.yousef@arm.com, rdunlap@infradead.org, rostedt@goodmis.org,
Shuah Khan <shuah@kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
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 [thread overview]
Message-ID: <20190227193748.132301-2-joel@joelfernandes.org> (raw)
In-Reply-To: <20190227193748.132301-1-joel@joelfernandes.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) <joel@joelfernandes.org>
---
tools/testing/selftests/Makefile | 1 +
| 5 +++++
| 1 +
| 18 +++++++++++++++++
| 3 +++
| 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
--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
--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
--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
--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
--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 <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+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.rc2.261.ga7da99ff1b-goog
next prev parent reply other threads:[~2019-02-27 19:38 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-27 19:37 [PATCH v3 1/2] Provide in-kernel headers for making it easy to extend the kernel Joel Fernandes (Google)
2019-02-27 19:37 ` Joel Fernandes (Google) [this message]
2019-02-28 2:17 ` Masahiro Yamada
2019-02-28 14:43 ` Joel Fernandes
2019-02-28 23:27 ` Joel Fernandes
2019-03-01 6:25 ` Masahiro Yamada
2019-03-01 17:19 ` Joel Fernandes
2019-03-02 2:13 ` Masahiro Yamada
2019-03-02 2:39 ` Joel Fernandes
2019-03-04 5:40 ` Masahiro Yamada
2019-02-28 8:34 ` Masami Hiramatsu
2019-02-28 15:00 ` Joel Fernandes
2019-02-28 15:30 ` Greg KH
2019-02-28 15:37 ` Joel Fernandes
2019-02-28 15:45 ` Greg KH
2019-02-28 15:59 ` Joel Fernandes
2019-02-28 16:09 ` Steven Rostedt
2019-03-01 2:28 ` Masami Hiramatsu
2019-03-01 3:26 ` Joel Fernandes
2019-03-01 7:03 ` Masami Hiramatsu
2019-03-01 17:21 ` Joel Fernandes
2019-03-01 11:05 ` Qais Yousef
2019-02-28 13:53 ` Qais Yousef
2019-02-28 14:47 ` Joel Fernandes
2019-02-28 16:04 ` Dietmar Eggemann
2019-02-28 16:22 ` Qais Yousef
2019-02-28 16:48 ` Qais Yousef
2019-02-28 18:36 ` Dietmar Eggemann
2019-02-28 19:10 ` Joel Fernandes
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