The section "Hardware Interrupts" already introduced the two functions provided by the kernel to register and unregister a handler, respectively.
在硬件中断一节中已经介绍了内核所提供的两个函数，用于注册和反注册一个句柄。
The kernel trace hooks call functions in the device driver code, which log the information provided by the kernel trace hooks in pinned buffers.
内核追踪挂钩调用设备驱动程序代码中的函数， 那些函数将内核追踪挂钩在固定缓冲区（pinned buffer）中给出的信息记录下来。
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