rust: helpers: Add i8/i16 atomic xchg helpers

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Add i8/i16 atomic xchg helpers that call xchg() macro implementing
atomic xchg using architecture-specific instructions.

[boqun: Use xchg() instead of raw_xchg()]

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/20251223062140.938325-2-fujita.tomonori@gmail.com

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FUJITA Tomonori 2025-12-23 15:21:37 +09:00 • committed by Boqun Feng

parent 300e53b3d3

commit 5dbc0a6924

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rust/helpers/atomic_ext.c

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