[PATCH] ppc64: Make early processor spinup based on physical ids

[Olof Johansson]

Benjamin Herrenschmidt wrote:

>On Wed, 2004-11-17 at 10:25 +1100, Anton Blanchard wrote:
>  
>
>> > kexec has to do the device-tree flattening anyway ... adding/modifying
>>    
>>
>>>that property 'on the fly' while doing so is easy...
>>>      
>>>
>>Why cant it reuse the boot one or preprepare one? Thats better than
>>doing the work after the machine has oopsed isnt it?
>>    
>>
>
>Might be an issue with hotplug hardware...
>  
>

Hotplug events would reasonably trigger re-flattenings of the new device 
tree, etc. There'd be a window where the new tree might not be built, 
but it can be dealt with separately.


-Olof