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author | Ilya Leoshkevich <iii@linux.ibm.com> | 2022-01-19 21:26:38 +0300 |
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committer | Heiko Carstens <hca@linux.ibm.com> | 2022-01-24 11:10:59 +0300 |
commit | 90c5318795eefa09a9f9aef8d18a904e24962b5c (patch) | |
tree | df73e682286554977a42bc0b03eb88ff1a716357 /arch/s390/lib/test_modules.c | |
parent | f3b7e73b2c6619884351a3a0a7468642f852b8a2 (diff) | |
download | linux-90c5318795eefa09a9f9aef8d18a904e24962b5c.tar.xz |
s390/module: test loading modules with a lot of relocations
Add a test in order to prevent regressions.
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/lib/test_modules.c')
-rw-r--r-- | arch/s390/lib/test_modules.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/arch/s390/lib/test_modules.c b/arch/s390/lib/test_modules.c new file mode 100644 index 000000000000..d056baa8fbb0 --- /dev/null +++ b/arch/s390/lib/test_modules.c @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <kunit/test.h> +#include <linux/module.h> + +#include "test_modules.h" + +#define DECLARE_RETURN(i) int test_modules_return_ ## i(void) +REPEAT_10000(DECLARE_RETURN); + +/* + * Test that modules with many relocations are loaded properly. + */ +static void test_modules_many_vmlinux_relocs(struct kunit *test) +{ + int result = 0; + +#define CALL_RETURN(i) result += test_modules_return_ ## i() + REPEAT_10000(CALL_RETURN); + KUNIT_ASSERT_EQ(test, result, 49995000); +} + +static struct kunit_case modules_testcases[] = { + KUNIT_CASE(test_modules_many_vmlinux_relocs), + {} +}; + +static struct kunit_suite modules_test_suite = { + .name = "modules_test_s390", + .test_cases = modules_testcases, +}; + +kunit_test_suites(&modules_test_suite); + +MODULE_LICENSE("GPL"); |