From b5992f07a9736ab6279181c848f42227af9945bf Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Sat, 27 Dec 2025 20:59:50 +0900 Subject: [PATCH] rust: helpers: Add i8/i16 atomic try_cmpxchg_release helpers Add i8/i16 atomic try_cmpxchg_release helpers that call try_cmpxchg_release() macro implementing atomic try_cmpxchg_release using architecture-specific instructions. [boqun: Use try_cmpxchg_release() instead of raw_try_cmpxchg_release()] Signed-off-by: FUJITA Tomonori Signed-off-by: Boqun Feng Link: https://patch.msgid.link/20251227115951.1424458-4-fujita.tomonori@gmail.com --- rust/helpers/atomic_ext.c | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/rust/helpers/atomic_ext.c b/rust/helpers/atomic_ext.c index b6efec14e5b35..962ea05dfb9c5 100644 --- a/rust/helpers/atomic_ext.c +++ b/rust/helpers/atomic_ext.c @@ -117,3 +117,13 @@ __rust_helper bool rust_helper_atomic_i16_try_cmpxchg_acquire(s16 *ptr, s16 *old { return try_cmpxchg_acquire(ptr, old, new); } + +__rust_helper bool rust_helper_atomic_i8_try_cmpxchg_release(s8 *ptr, s8 *old, s8 new) +{ + return try_cmpxchg_release(ptr, old, new); +} + +__rust_helper bool rust_helper_atomic_i16_try_cmpxchg_release(s16 *ptr, s16 *old, s16 new) +{ + return try_cmpxchg_release(ptr, old, new); +} -- 2.47.3