arch_spin_is_locked
if (arch_spin_is_locked(&old.lock))
} while ((new.value == old.value) && arch_spin_is_locked(&new.lock));
return arch_spin_is_locked(&lock->wait_lock);
#define raw_spin_is_locked(lock) arch_spin_is_locked(&(lock)->raw_lock)
if (rcu_rdp_cpu_online(rdp) || arch_spin_is_locked(&rcu_state.ofl_lock))