阐述了RVM的又一个新功能一原子中断组，这一功能对数据复制的一致性和完整性提供了保证。
Have explained another new function of RVM -atomic Break Group, and this function is to ensure consistency and integrality of data storage.
为了将一个中断绑定到某个或某组cpu，首先要决定应该让哪些CPU处理这个中断，然后相应地编写位掩码。
To bind an interrupt to a CPU or group of CPUs, first determine which CPUs should process the interrupt and lay out the bitmask accordingly.
寻求一个儿童组表示，有一个备用电池，在案件的电力供应中断。
Look for a Child unit that has a backup battery in case of power failure.
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