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authorRae Moar <rmoar@google.com>2023-12-13 22:44:17 +0300
committerShuah Khan <skhan@linuxfoundation.org>2023-12-18 23:21:15 +0300
commitd81f0d7b8b23ec79f80be602ed6129ded27862e8 (patch)
tree2ad32958ea62db0dd0f2b2324be9c8596f9a73cd /include/kunit
parent69dfdce1c5161a37a14720e5f6f62a36e387aa33 (diff)
downloadlinux-d81f0d7b8b23ec79f80be602ed6129ded27862e8.tar.xz
kunit: add KUNIT_INIT_TABLE to init linker section
Add KUNIT_INIT_TABLE to the INIT_DATA linker section. Alter the KUnit macros to create init tests: kunit_test_init_section_suites Update lib/kunit/executor.c to run both the suites in KUNIT_TABLE and KUNIT_INIT_TABLE. Reviewed-by: David Gow <davidgow@google.com> Signed-off-by: Rae Moar <rmoar@google.com> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Diffstat (limited to 'include/kunit')
-rw-r--r--include/kunit/test.h30
1 files changed, 19 insertions, 11 deletions
diff --git a/include/kunit/test.h b/include/kunit/test.h
index 20ed9f9275c9..fe79cd736e94 100644
--- a/include/kunit/test.h
+++ b/include/kunit/test.h
@@ -337,6 +337,9 @@ void __kunit_test_suites_exit(struct kunit_suite **suites, int num_suites);
void kunit_exec_run_tests(struct kunit_suite_set *suite_set, bool builtin);
void kunit_exec_list_tests(struct kunit_suite_set *suite_set, bool include_attr);
+struct kunit_suite_set kunit_merge_suite_sets(struct kunit_suite_set init_suite_set,
+ struct kunit_suite_set suite_set);
+
#if IS_BUILTIN(CONFIG_KUNIT)
int kunit_run_all_tests(void);
#else
@@ -371,6 +374,11 @@ static inline int kunit_run_all_tests(void)
#define kunit_test_suite(suite) kunit_test_suites(&suite)
+#define __kunit_init_test_suites(unique_array, ...) \
+ static struct kunit_suite *unique_array[] \
+ __aligned(sizeof(struct kunit_suite *)) \
+ __used __section(".kunit_init_test_suites") = { __VA_ARGS__ }
+
/**
* kunit_test_init_section_suites() - used to register one or more &struct
* kunit_suite containing init functions or
@@ -378,21 +386,21 @@ static inline int kunit_run_all_tests(void)
*
* @__suites: a statically allocated list of &struct kunit_suite.
*
- * This functions identically as kunit_test_suites() except that it suppresses
- * modpost warnings for referencing functions marked __init or data marked
- * __initdata; this is OK because currently KUnit only runs tests upon boot
- * during the init phase or upon loading a module during the init phase.
+ * This functions similar to kunit_test_suites() except that it compiles the
+ * list of suites during init phase.
+ *
+ * This macro also suffixes the array and suite declarations it makes with
+ * _probe; so that modpost suppresses warnings about referencing init data
+ * for symbols named in this manner.
*
- * NOTE TO KUNIT DEVS: If we ever allow KUnit tests to be run after boot, these
- * tests must be excluded.
+ * Note: these init tests are not able to be run after boot so there is no
+ * "run" debugfs file generated for these tests.
*
- * The only thing this macro does that's different from kunit_test_suites is
- * that it suffixes the array and suite declarations it makes with _probe;
- * modpost suppresses warnings about referencing init data for symbols named in
- * this manner.
+ * Also, do not mark the suite or test case structs with __initdata because
+ * they will be used after the init phase with debugfs.
*/
#define kunit_test_init_section_suites(__suites...) \
- __kunit_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe), \
+ __kunit_init_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe), \
##__suites)
#define kunit_test_init_section_suite(suite) \