Lines Matching refs:test_var
252 static long test_var; variable
267 static noinline void test_kernel_read(void) { sink_value(test_var); } in test_kernel_read()
271 test_var = READ_ONCE_NOCHECK(test_sink) + 1; in test_kernel_write()
274 static noinline void test_kernel_write_nochange(void) { test_var = 42; } in test_kernel_write_nochange()
277 static noinline void test_kernel_write_nochange_rcu(void) { test_var = 42; } in test_kernel_write_nochange_rcu()
281 sink_value(READ_ONCE(test_var)); in test_kernel_read_atomic()
286 WRITE_ONCE(test_var, READ_ONCE_NOCHECK(test_sink) + 1); in test_kernel_write_atomic()
292 __atomic_fetch_add(&test_var, 1, __ATOMIC_RELAXED); in test_kernel_atomic_rmw()
296 static noinline void test_kernel_write_uninstrumented(void) { test_var++; } in test_kernel_write_uninstrumented()
298 static noinline void test_kernel_data_race(void) { data_race(test_var++); } in test_kernel_data_race()
302 ASSERT_EXCLUSIVE_WRITER(test_var); in test_kernel_assert_writer()
307 ASSERT_EXCLUSIVE_ACCESS(test_var); in test_kernel_assert_access()
320 test_var ^= TEST_CHANGE_BITS; in test_kernel_change_bits()
323 WRITE_ONCE(test_var, READ_ONCE(test_var) ^ TEST_CHANGE_BITS); in test_kernel_change_bits()
328 ASSERT_EXCLUSIVE_BITS(test_var, TEST_CHANGE_BITS); in test_kernel_assert_bits_change()
333 ASSERT_EXCLUSIVE_BITS(test_var, ~TEST_CHANGE_BITS); in test_kernel_assert_bits_nochange()
348 ASSERT_EXCLUSIVE_WRITER_SCOPED(test_var); in test_kernel_assert_writer_scoped()
354 ASSERT_EXCLUSIVE_ACCESS_SCOPED(test_var); in test_kernel_assert_access_scoped()
395 sink_value(test_var); in test_kernel_seqlock_reader()
404 test_var++; in test_kernel_seqlock_writer()
414 __atomic_load_n(&test_var, __ATOMIC_RELAXED); in test_kernel_atomic_builtins()
421 test_var ^= 0x10000; in test_kernel_xor_1bit()
433 { test_kernel_write, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_basic()
434 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_basic()
439 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_basic()
440 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_basic()
493 { test_kernel_write_nochange, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_novalue_change()
494 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_novalue_change()
518 { test_kernel_write_nochange_rcu, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_novalue_change_exception()
519 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_novalue_change_exception()
537 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_unknown_origin()
559 { test_kernel_write, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_write_write_assume_atomic()
560 { test_kernel_write, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_write_write_assume_atomic()
567 sink_value(READ_ONCE(test_var)); /* induce value-change */ in test_write_write_assume_atomic()
639 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_read_plain_atomic_write()
640 …{ test_kernel_write_atomic, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE | KCSAN_ACCESS_ATOMIC … in test_read_plain_atomic_write()
661 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_read_plain_atomic_rmw()
662 { test_kernel_atomic_rmw, &test_var, sizeof(test_var), in test_read_plain_atomic_rmw()
724 { test_kernel_assert_writer, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT }, in test_assert_exclusive_writer()
725 { test_kernel_write_nochange, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_assert_exclusive_writer()
742 …{ test_kernel_assert_access, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_WRITE… in test_assert_exclusive_access()
743 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_assert_exclusive_access()
760 …{ test_kernel_assert_access, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_WRITE… in test_assert_exclusive_access_writer()
761 { test_kernel_assert_writer, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT }, in test_assert_exclusive_access_writer()
766 …{ test_kernel_assert_access, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_WRITE… in test_assert_exclusive_access_writer()
767 …{ test_kernel_assert_access, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_WRITE… in test_assert_exclusive_access_writer()
772 { test_kernel_assert_writer, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT }, in test_assert_exclusive_access_writer()
773 { test_kernel_assert_writer, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT }, in test_assert_exclusive_access_writer()
796 { test_kernel_assert_bits_change, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT }, in test_assert_exclusive_bits_change()
797 { test_kernel_change_bits, &test_var, sizeof(test_var), in test_assert_exclusive_bits_change()
827 …{ test_kernel_assert_writer_scoped, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCES… in test_assert_exclusive_writer_scoped()
828 { test_kernel_write_nochange, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_assert_exclusive_writer_scoped()
833 { test_enter_scope, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_SCOPED }, in test_assert_exclusive_writer_scoped()
834 { test_kernel_write_nochange, &test_var, sizeof(test_var), KCSAN_ACCESS_WRITE }, in test_assert_exclusive_writer_scoped()
854 …{ test_kernel_assert_access_scoped, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCES… in test_assert_exclusive_access_scoped()
855 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_assert_exclusive_access_scoped()
863 …{ test_enter_scope, &test_var, sizeof(test_var), KCSAN_ACCESS_ASSERT | KCSAN_ACCESS_WRITE | KCSAN_… in test_assert_exclusive_access_scoped()
864 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_assert_exclusive_access_scoped()
927 __atomic_store_n(&test_var, 42L, __ATOMIC_RELAXED); in test_atomic_builtins()
928 KUNIT_EXPECT_EQ(test, 42L, __atomic_load_n(&test_var, __ATOMIC_RELAXED)); in test_atomic_builtins()
930 KUNIT_EXPECT_EQ(test, 42L, __atomic_exchange_n(&test_var, 20, __ATOMIC_RELAXED)); in test_atomic_builtins()
931 KUNIT_EXPECT_EQ(test, 20L, test_var); in test_atomic_builtins()
934 KUNIT_EXPECT_TRUE(test, __atomic_compare_exchange_n(&test_var, &tmp, 30L, in test_atomic_builtins()
938 KUNIT_EXPECT_EQ(test, test_var, 30L); in test_atomic_builtins()
939 KUNIT_EXPECT_FALSE(test, __atomic_compare_exchange_n(&test_var, &tmp, 40L, in test_atomic_builtins()
943 KUNIT_EXPECT_EQ(test, test_var, 30L); in test_atomic_builtins()
945 KUNIT_EXPECT_EQ(test, 30L, __atomic_fetch_add(&test_var, 1, __ATOMIC_RELAXED)); in test_atomic_builtins()
946 KUNIT_EXPECT_EQ(test, 31L, __atomic_fetch_sub(&test_var, 1, __ATOMIC_RELAXED)); in test_atomic_builtins()
947 KUNIT_EXPECT_EQ(test, 30L, __atomic_fetch_and(&test_var, 0xf, __ATOMIC_RELAXED)); in test_atomic_builtins()
948 KUNIT_EXPECT_EQ(test, 14L, __atomic_fetch_xor(&test_var, 0xf, __ATOMIC_RELAXED)); in test_atomic_builtins()
949 KUNIT_EXPECT_EQ(test, 1L, __atomic_fetch_or(&test_var, 0xf0, __ATOMIC_RELAXED)); in test_atomic_builtins()
950 KUNIT_EXPECT_EQ(test, 241L, __atomic_fetch_nand(&test_var, 0xf, __ATOMIC_RELAXED)); in test_atomic_builtins()
951 KUNIT_EXPECT_EQ(test, -2L, test_var); in test_atomic_builtins()
968 { test_kernel_read, &test_var, sizeof(test_var), 0 }, in test_1bit_value_change()
969 { test_kernel_xor_1bit, &test_var, sizeof(test_var), __KCSAN_ACCESS_RW(KCSAN_ACCESS_WRITE) }, in test_1bit_value_change()