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kunit: allow kunit to be loaded as a module

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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>
This commit is contained in:
Alan Maguire 2020-01-06 22:28:22 +00:00 committed by Shuah Khan
parent 1c024d4515
commit 9fe124bf1b
3 changed files with 17 additions and 2 deletions
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2
lib/kunit/Kconfig
View File

@ -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

4
lib/kunit/Makefile
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@ -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

13
lib/kunit/test.c
View File

@ -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");