From: FUJITA Tomonori <fujita.tomonori@gmail.com>
Date: Thu, 11 Dec 2025 11:38:26 +0000 (+0900)
Subject: rust: sync: atomic: Add store_release/load_acquire tests
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7b001c97d9bdaea50e1e1834040c58f7ef9f4e89;p=thirdparty%2Fkernel%2Flinux.git

rust: sync: atomic: Add store_release/load_acquire tests

Add minimum store_release/load_acquire tests.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Reviewed-by: Joel Fernandes <joelagnelf@nvidia.com>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://patch.msgid.link/20251211113826.1299077-5-fujita.tomonori@gmail.com
---

diff --git a/rust/kernel/sync/atomic/predefine.rs b/rust/kernel/sync/atomic/predefine.rs
index 09b357be59b86..51e9df0cf56ed 100644
--- a/rust/kernel/sync/atomic/predefine.rs
+++ b/rust/kernel/sync/atomic/predefine.rs
@@ -137,6 +137,16 @@ mod 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| {