RE: Why my interrupt is not connected? qemu_irq_is_connected( ) returns false.

[Chan Kim]

> 
> No, prio = 0xff means "no pending interrupt available" (either there
> really is none in the pending state, or interrupts are disabled generally,
> or a specific interrupt which might otherwise be signalled to the CPU has
> been disabled).
> 
Ah, I see.

> 
> Priorities are set by the guest OS, which programs the GIC priority
> registers with the priorities it wants to use for the interrupt. (0xff is
> not actually a valid priority for an interrupt, which is why we can use it
> as our "nothing is pending" value.)
> 
I registered the handler in the driver using request_irq function hoping the OS 
will set the registers for me but it's not working.
I don't know what's wrong and I'll check the qemu interrupt path and the 
driver.. 

Thank you.
Chan Kim