[PATCH V4] powerpc/prom: Export device tree physical address via proc

[Matthew McClintock]

On Jul 18, 2010, at 7:09 PM, Benjamin Herrenschmidt wrote:

> On Thu, 2010-07-15 at 10:22 -0600, Grant Likely wrote:
>> What is your starting point?  Where does the device tree (and
>> memreserve list) come from
>> that you're passing to kexec?  My first impression is that if you have
>> to scrub the memreserve list, then the source being used to
>> obtain the memreserves is either faulty or unsuitable to the task.
> 
> The kernel should ultimately pass the thing to userspace I reckon, with
> an appropriate hook for platform code to insert/recover reserved
> regions.
> 

Or possibly in the device tree itself? As I mentioned in my previous email - my particular case can already be handled by the information passed in the device tree (as I recently discovered), is this something we would want to make generic for the device tree or add platform code to expose these memreserve regions?

-Matthew