do_raw_spin_trylock
extern int do_raw_spin_trylock(raw_spinlock_t *lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
if (do_raw_spin_trylock(lock)) {
if (do_raw_spin_trylock(lock)) {
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);
LOCK_CONTENDED(lock, do_raw_spin_trylock, do_raw_spin_lock);