Re: [PATCH 6/7] sparc32,leon: operate on boot-cpu IRQ controller

[Daniel Hellstrom <daniel@gaisler.com>]

crn@post.netunix.com wrote:

>
>
> On Wed, 20 Apr 2011, Daniel Hellstrom wrote:
>
>>>
>> I agree that it would be nicer, however I think the SUNs will never 
>> be booted on CPU1 anyway? Anyways, I think this should go into 
>> another patch series.
>
>
> You cannot assume this, sun4d and AFAIK all 64bit systems will boot on
> the first non-blacklisted CPU found.
> For example, it is perfectly OK to have no CPU present on board0 slot0
> in which case the SS1000 will boot using CPU1.

Sorry I meant the UP 32-bit SUNs, some if not all SMP 32-bit SUNs 
apparently use the boot_cpu_id Sam is talking about. Have you tried 
booting on CPU1 with a UP Linux kernel on the SS1000 machine?

I still believe that the changes should go into a separate patch series 
though.

Thanks,
Daniel