Problem with MPC8536 and external IRQs when using a loadable kernel module

[Michael Ellerman]

On Thu, 2010-12-09 at 12:45 -0800, Mark Pearson wrote:
> I have a curious problem. This is on a MPC8636 based platform with
> 36-bit address space (that may or may not be important).
> 
>  
> 
> I have a very simple driver that registers for one of the external
> IRQs with a trivial interrupt handler. It works great when built in as
> part of the kernel.
> 
>  
> 
> However, if I make it a loadable module I get the crash shown below
> (blade_irq is my IRQ handler).
> 
>  
> 
> -----Console capture ----------------------------------------
> 
> Unable to handle kernel paging request for instruction fetch
                                            ^^^^^^^^^^^^^^^^^

Your interrupt handler isn't mapped executable? Something wrong with
module loading?

Do you need 78e2e68a2b79f394b7cd61e07987a8a89af907f7 ?

cheers


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