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authorAlan Maguire <alan.maguire@oracle.com>2020-01-06 22:28:22 +0000
committerShuah Khan <skhan@linuxfoundation.org>2020-01-09 16:43:40 -0700
commit9fe124bf1b7788058ecfe5778fea1660b01e3e9c (patch)
treeffe45322a0880039531b1af2d459f2513143d1bd /lib/kunit
parent1c024d45151b51c8f8d4749e65958b0bcf3e7c52 (diff)
downloadlinux-9fe124bf1b7788058ecfe5778fea1660b01e3e9c.tar.gz
kunit: allow kunit to be loaded as a module
Making kunit itself buildable as a module allows for "always-on" kunit configuration; specifying CONFIG_KUNIT=m means the module is built but only used when loaded. Kunit test modules will load kunit.ko as an implicit dependency, so simply running "modprobe my-kunit-tests" will load the tests along with the kunit module and run them. Co-developed-by: Knut Omang <knut.omang@oracle.com> Signed-off-by: Knut Omang <knut.omang@oracle.com> Signed-off-by: Alan Maguire <alan.maguire@oracle.com> Reviewed-by: Brendan Higgins <brendanhiggins@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'lib/kunit')
-rw-r--r--lib/kunit/Kconfig2
-rw-r--r--lib/kunit/Makefile4
-rw-r--r--lib/kunit/test.c13
3 files changed, 17 insertions, 2 deletions
diff --git a/lib/kunit/Kconfig b/lib/kunit/Kconfig
index 9ebd5e6d15fd4..065aa16f448bd 100644
--- a/lib/kunit/Kconfig
+++ b/lib/kunit/Kconfig
@@ -3,7 +3,7 @@
#
menuconfig KUNIT
- bool "KUnit - Enable support for unit tests"
+ tristate "KUnit - Enable support for unit tests"
help
Enables support for kernel unit tests (KUnit), a lightweight unit
testing and mocking framework for the Linux kernel. These tests are
diff --git a/lib/kunit/Makefile b/lib/kunit/Makefile
index bc6e5e549e848..fab55649b69a5 100644
--- a/lib/kunit/Makefile
+++ b/lib/kunit/Makefile
@@ -1,4 +1,6 @@
-obj-$(CONFIG_KUNIT) += test.o \
+obj-$(CONFIG_KUNIT) += kunit.o
+
+kunit-objs += test.o \
string-stream.o \
assert.o \
try-catch.o
diff --git a/lib/kunit/test.c b/lib/kunit/test.c
index 87b5cf1f0fa8b..9242f932896c7 100644
--- a/lib/kunit/test.c
+++ b/lib/kunit/test.c
@@ -486,3 +486,16 @@ void kunit_cleanup(struct kunit *test)
}
}
EXPORT_SYMBOL_GPL(kunit_cleanup);
+
+static int __init kunit_init(void)
+{
+ return 0;
+}
+late_initcall(kunit_init);
+
+static void __exit kunit_exit(void)
+{
+}
+module_exit(kunit_exit);
+
+MODULE_LICENSE("GPL v2");