rem: if(atomic_set(lock, 1) == 0)
add: if (atomic_set((int32 *)lock, 1) == 0)
context: static void acquire_spinlock_nocheck(spinlock_t *lock){	if(smp_num_cpus > 1) {		while(1) {			while(*lock != 0)				;			if(atomic_set(lock, 1) == 0)				break;		}	}}