ARM,指令集,并行机制,RISC处理器,数据层并行化,线程层并行化,原子操作指令,多内核处理器,旋转锁,内存一致性,中断子系统Information Quarterly [20] Number 3, Autumn 2005 Information Quarterly [21] Number 3, Autumn 2005 Information Quarterly [22] Number 3, Autumn 2005 Information Quarterly [23] Number 3, Autumn 2005 Information Quarterly [24] Number 3, Autumn 2005 static inline void _raw_spin_lock(spinlock_t *lock) { unsigned long tmp; _asm__ __volatile__( 1: ldrex %0, [%1] ; exclusive read lock teq %0, #0 ; check if free wfene ; if not, wait (saves power) strexeq %0, %2, [%……