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| author | Ingo Molnar <mingo@kernel.org> | 2016-07-07 10:12:02 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-07-07 10:12:02 +0300 |
| commit | 36e91aa2628e46c2146049eee8b9b7f773b0ffc3 (patch) | |
| tree | c14e756181dca4e4e06d6aa1b1299a5f4dc5bf3d /lib/atomic64_test.c | |
| parent | 03e3c2b7edbe1e8758196b2c7843333eb328063d (diff) | |
| parent | b7271b9f3e18181559b96a610f4e42bdb04b07f5 (diff) | |
| download | linux-36e91aa2628e46c2146049eee8b9b7f773b0ffc3.tar.xz | |
Merge branch 'locking/arch-atomic' into locking/core, because the topic is ready
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'lib/atomic64_test.c')
| -rw-r--r-- | lib/atomic64_test.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/lib/atomic64_test.c b/lib/atomic64_test.c index 123481814320..dbb369145dda 100644 --- a/lib/atomic64_test.c +++ b/lib/atomic64_test.c @@ -53,11 +53,25 @@ do { \ BUG_ON(atomic##bit##_read(&v) != r); \ } while (0) +#define TEST_FETCH(bit, op, c_op, val) \ +do { \ + atomic##bit##_set(&v, v0); \ + r = v0; \ + r c_op val; \ + BUG_ON(atomic##bit##_##op(val, &v) != v0); \ + BUG_ON(atomic##bit##_read(&v) != r); \ +} while (0) + #define RETURN_FAMILY_TEST(bit, op, c_op, val) \ do { \ FAMILY_TEST(TEST_RETURN, bit, op, c_op, val); \ } while (0) +#define FETCH_FAMILY_TEST(bit, op, c_op, val) \ +do { \ + FAMILY_TEST(TEST_FETCH, bit, op, c_op, val); \ +} while (0) + #define TEST_ARGS(bit, op, init, ret, expect, args...) \ do { \ atomic##bit##_set(&v, init); \ @@ -114,6 +128,16 @@ static __init void test_atomic(void) RETURN_FAMILY_TEST(, sub_return, -=, onestwos); RETURN_FAMILY_TEST(, sub_return, -=, -one); + FETCH_FAMILY_TEST(, fetch_add, +=, onestwos); + FETCH_FAMILY_TEST(, fetch_add, +=, -one); + FETCH_FAMILY_TEST(, fetch_sub, -=, onestwos); + FETCH_FAMILY_TEST(, fetch_sub, -=, -one); + + FETCH_FAMILY_TEST(, fetch_or, |=, v1); + FETCH_FAMILY_TEST(, fetch_and, &=, v1); + FETCH_FAMILY_TEST(, fetch_andnot, &= ~, v1); + FETCH_FAMILY_TEST(, fetch_xor, ^=, v1); + INC_RETURN_FAMILY_TEST(, v0); DEC_RETURN_FAMILY_TEST(, v0); @@ -154,6 +178,16 @@ static __init void test_atomic64(void) RETURN_FAMILY_TEST(64, sub_return, -=, onestwos); RETURN_FAMILY_TEST(64, sub_return, -=, -one); + FETCH_FAMILY_TEST(64, fetch_add, +=, onestwos); + FETCH_FAMILY_TEST(64, fetch_add, +=, -one); + FETCH_FAMILY_TEST(64, fetch_sub, -=, onestwos); + FETCH_FAMILY_TEST(64, fetch_sub, -=, -one); + + FETCH_FAMILY_TEST(64, fetch_or, |=, v1); + FETCH_FAMILY_TEST(64, fetch_and, &=, v1); + FETCH_FAMILY_TEST(64, fetch_andnot, &= ~, v1); + FETCH_FAMILY_TEST(64, fetch_xor, ^=, v1); + INIT(v0); atomic64_inc(&v); r += one; |