From ab717dd98bee964add2161d94193d756fdef614c Mon Sep 17 00:00:00 2001 From: FUJITA Tomonori Date: Tue, 23 Dec 2025 15:21:38 +0900 Subject: [PATCH] rust: helpers: Add i8/i16 atomic xchg_acquire helpers Add i8/i16 atomic xchg_acquire helpers that call xchg_acquire() macro implementing atomic xchg_acquire using architecture-specific instructions. [boqun: Use xchg_acquire() instead of raw_xchg_acquire()] Reviewed-by: Alice Ryhl Signed-off-by: FUJITA Tomonori Reviewed-by: Gary Guo Signed-off-by: Boqun Feng Link: https://patch.msgid.link/20251223062140.938325-3-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 3136255a84c6e..177bb3603e5f4 100644 --- a/rust/helpers/atomic_ext.c +++ b/rust/helpers/atomic_ext.c @@ -60,3 +60,13 @@ __rust_helper s16 rust_helper_atomic_i16_xchg(s16 *ptr, s16 new) { return xchg(ptr, new); } + +__rust_helper s8 rust_helper_atomic_i8_xchg_acquire(s8 *ptr, s8 new) +{ + return xchg_acquire(ptr, new); +} + +__rust_helper s16 rust_helper_atomic_i16_xchg_acquire(s16 *ptr, s16 new) +{ + return xchg_acquire(ptr, new); +} -- 2.47.3