arch_atomic_xchg_acquire 215 arch/arm64/include/asm/atomic.h #define arch_atomic64_xchg_acquire arch_atomic_xchg_acquire arch_atomic_xchg_acquire 619 include/asm-generic/atomic-instrumented.h #if defined(arch_atomic_xchg_acquire) arch_atomic_xchg_acquire 624 include/asm-generic/atomic-instrumented.h return arch_atomic_xchg_acquire(v, i);