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Update interrupts-9.md

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Yangjing Zhang 2016-05-13 13:58:26 +08:00
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interrupts/interrupts-9.md
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@ -49,7 +49,7 @@ The `spawn_ksoftirqd` function starts this these threads. As we can see this fun
early_initcall(spawn_ksoftirqd);
```
Deferred interrupts are determined statically at compile-time of the Linux kernel and the `open_softirq` function takes care of `softirq` initialization. The `open_softirq` function defined in the [kernel/softirq.c](https://github.com/torvalds/linux/blob/master/kernel/softirq.c):
Softirqs are determined statically at compile-time of the Linux kernel and the `open_softirq` function takes care of `softirq` initialization. The `open_softirq` function defined in the [kernel/softirq.c](https://github.com/torvalds/linux/blob/master/kernel/softirq.c):
```C
@ -61,7 +61,7 @@ void open_softirq(int nr, void (*action)(struct softirq_action *))
and as we can see this function uses two parameters:
* the index of the `softirq_vec` array;
* the index of the `softirq_vec` array;
* a pointer to the softirq function to be executed;
First of all let's look on the `softirq_vec` array: