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

Benjamin Herrenschmidt benh at kernel.crashing.org
Mon Jul 19 10:09:13 EST 2010


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.

Ben.




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