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| author | FUJITA Tomonori <fujita.tomonori@gmail.com> | 2025-12-23 09:21:38 +0300 |
|---|---|---|
| committer | Boqun Feng <boqun.feng@gmail.com> | 2026-01-09 14:01:40 +0300 |
| commit | ab717dd98bee964add2161d94193d756fdef614c (patch) | |
| tree | 906fa02319309ac20151168f9f07cac8f51b677f | |
| parent | 5dbc0a692459bc49cdb7add281086291da547750 (diff) | |
| download | linux-ab717dd98bee964add2161d94193d756fdef614c.tar.xz | |
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 <aliceryhl@google.com>
Signed-off-by: FUJITA Tomonori <fujita.tomonori@gmail.com>
Reviewed-by: Gary Guo <gary@garyguo.net>
Signed-off-by: Boqun Feng <boqun.feng@gmail.com>
Link: https://patch.msgid.link/20251223062140.938325-3-fujita.tomonori@gmail.com
| -rw-r--r-- | rust/helpers/atomic_ext.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/rust/helpers/atomic_ext.c b/rust/helpers/atomic_ext.c index 3136255a84c6..177bb3603e5f 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); +} |