| 1 | |
| 2 | #include <kunit/test.h>
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| 3 | #include <linux/pgtable.h>
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| 4 |
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| 5 | MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");
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| 6 |
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| 7 | static void expect_not_active(struct kunit *test)
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| 8 | {
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| 9 | KUNIT_EXPECT_FALSE(test, is_lazy_mmu_mode_active());
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| 10 | }
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| 11 |
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| 12 | static void expect_active(struct kunit *test)
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| 13 | {
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| 14 | KUNIT_EXPECT_TRUE(test, is_lazy_mmu_mode_active());
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| 15 | }
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| 16 |
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| 17 | static void lazy_mmu_mode_active(struct kunit *test)
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| 18 | {
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| 19 | expect_not_active(test);
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| 20 |
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| 21 | lazy_mmu_mode_enable();
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| 22 | expect_active(test);
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| 23 |
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| 24 | {
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| 25 |
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| 26 | lazy_mmu_mode_enable();
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| 27 | expect_active(test);
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| 28 |
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| 29 | lazy_mmu_mode_disable();
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| 30 | expect_active(test);
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| 31 | }
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| 32 |
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| 33 | {
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| 34 |
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| 35 | lazy_mmu_mode_pause();
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| 36 | expect_not_active(test);
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| 37 |
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| 38 | {
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| 39 |
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| 40 | lazy_mmu_mode_enable();
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| 41 | expect_not_active(test);
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| 42 |
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| 43 | lazy_mmu_mode_disable();
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| 44 | expect_not_active(test);
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| 45 |
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| 46 | lazy_mmu_mode_pause();
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| 47 | expect_not_active(test);
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| 48 |
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| 49 | lazy_mmu_mode_resume();
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| 50 | expect_not_active(test);
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| 51 | }
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| 52 |
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| 53 | lazy_mmu_mode_resume();
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| 54 | expect_active(test);
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| 55 | }
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| 56 |
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| 57 | lazy_mmu_mode_disable();
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| 58 | expect_not_active(test);
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| 59 | }
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| 60 |
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| 61 | static struct kunit_case lazy_mmu_mode_test_cases[] = {
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| 62 | KUNIT_CASE(lazy_mmu_mode_active),
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| 63 | {}
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| 64 | };
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| 65 |
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| 66 | static struct kunit_suite lazy_mmu_mode_test_suite = {
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| 67 | .name = "lazy_mmu_mode",
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| 68 | .test_cases = lazy_mmu_mode_test_cases,
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| 69 | };
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| 70 | kunit_test_suite(lazy_mmu_mode_test_suite);
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| 71 |
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| 72 | MODULE_DESCRIPTION("Tests for the lazy MMU mode");
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| 73 | MODULE_LICENSE("GPL");
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