[PATCH 18/36] rust: sync: atomic: Add store_release/load_acquire tests

From: Boqun Feng

Date: Sun Jan 11 2026 - 07:03:01 EST


From: FUJITA Tomonori <fujita.tomonori@xxxxxxxxx>

Add minimum store_release/load_acquire tests.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@xxxxxxxxx>
Reviewed-by: Gary Guo <gary@xxxxxxxxxxx>
Reviewed-by: Joel Fernandes <joelagnelf@xxxxxxxxxx>
Signed-off-by: Boqun Feng <boqun.feng@xxxxxxxxx>
Link: https://patch.msgid.link/20251211113826.1299077-5-fujita.tomonori@xxxxxxxxx
---
rust/kernel/sync/atomic/predefine.rs | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/rust/kernel/sync/atomic/predefine.rs b/rust/kernel/sync/atomic/predefine.rs
index 09b357be59b8..51e9df0cf56e 100644
--- a/rust/kernel/sync/atomic/predefine.rs
+++ b/rust/kernel/sync/atomic/predefine.rs
@@ -137,6 +137,16 @@ fn atomic_basic_tests() {
});
}

+ #[test]
+ fn atomic_acquire_release_tests() {
+ for_each_type!(42 in [i8, i16, i32, i64, u32, u64, isize, usize] |v| {
+ let x = Atomic::new(0);
+
+ x.store(v, Release);
+ assert_eq!(v, x.load(Acquire));
+ });
+ }
+
#[test]
fn atomic_xchg_tests() {
for_each_type!(42 in [i32, i64, u32, u64, isize, usize] |v| {
--
2.51.0