Kexec on arm64

[Geoff Levand]

Hi Arun,

On Fri, 2014-07-25 at 17:18 +0530, Arun Chandran wrote:
> I got this working. As 'Mark Rutland' pointed in another mail that
> it could be problem with flushing the cache; I did a read of
> 1GB data from start of RAM to a volatile var. I assume that
> this will clear and invalidate all that in cache (L1=32K, L2=256 K, L3=8M)

I wasn't flushing out all the data used by relocate_new_kernel.  I added
a routine that should flush all the pages in the kimage list out to PoC.
Please try a UP build with L3 enabled.

Next week I'll check that my smp secondary shutdown code is doing the
correct thing.

-Geoff