Question regarding mpic_assign_isu() in storcenter.c

Kumar Gala galak at kernel.crashing.org
Thu Jun 19 02:48:51 EST 2008


On Jun 18, 2008, at 11:10 AM, Jon Loeliger wrote:

> Eric Witcher wrote:
>> The answer is that mpic_assign_isu(mpic, 1, paddr + 0x11000) places  
>> the initial base register
>> for isu 1 on a reserved location in the PIC register map (see *).   
>> I guess you can infer from this
>> that no badness occurs when you write to a reserved location on the  
>> PIC.
>
> See?  See Kumar?  Didn't you tell me that would
> come back to haunt us juuust like you said... :-)

I feel like I remember saying something about that :)

I've submitted a patch to deal with the issue so we can just use 256  
and remove all the multiple isu business.

- k



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