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kunit: add support for kunit_suites that reference init code 

Add support for a new kind of kunit_suite registration macro called
kunit_test_init_section_suite(); this new registration macro allows the
registration of kunit_suites that reference functions marked __init and
data marked __initdata.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Tested-by: Martin Fernandez <martin.fernandez@eclypsium.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Brendan Higgins 2022-04-18 21:05:15 -07:00 committed by Shuah Khan
parent 59729170af
commit 9bf2eed995
1 changed files with 28 additions and 0 deletions
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28
include/kunit/test.h
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@ -308,6 +308,34 @@ static inline int kunit_run_all_tests(void)
#define kunit_test_suite(suite) kunit_test_suites(&suite)
/**
* kunit_test_init_section_suites() - used to register one or more &struct
* kunit_suite containing init functions or
* init data.
*
* @__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.
*
* NOTE TO KUNIT DEVS: If we ever allow KUnit tests to be run after boot, these
* tests must be excluded.
*
* 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.
*/
#define kunit_test_init_section_suites(__suites...) \
__kunit_test_suites(CONCATENATE(__UNIQUE_ID(array), _probe), \
CONCATENATE(__UNIQUE_ID(suites), _probe), \
##__suites)
#define kunit_test_init_section_suite(suite) \
kunit_test_init_section_suites(&suite)
#define kunit_suite_for_each_test_case(suite, test_case) \
for (test_case = suite->test_cases; test_case->run_case; test_case++)