Hello all,

I am trying to do some experiments in which I need to insert some codes before an interrrupt is dispatched. But I don't know where I should insert the codes.

Basically, when an interrupt arrives, the kernel needs to call the corresponding interrrupt handler. I need to insert some codes before any interrupt is dispatched.

Could anyone tell me which file in the kernel (4.8) I should look at for interrupt distpatching?

Thanks
Haidong

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