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 --- Changes since last version:

Renamed the new kunit_suite registration macro for init functions to a more readable name. --- include/kunit/test.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+)

diff --git a/include/kunit/test.h b/include/kunit/test.h index 00b9ff7783ab..5a870f2d81f4 100644 --- a/include/kunit/test.h +++ b/include/kunit/test.h @@ -380,6 +380,34 @@ 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++)

base-commit: b2d229d4ddb17db541098b83524d901257e93845