[PATCH] purgatory/arch/ppc64: Reset primary cpu endian to big-endian

[Michael Ellerman]

On Wed, 2015-09-02 at 10:02 +0900, Simon Horman wrote:
> [CC linuxppc-dev]
> 
> On Fri, Aug 21, 2015 at 12:51:16PM +1000, Samuel Mendoza-Jonas wrote:
> > Older big-endian ppc64 kernels don't include the FIXUP_ENDIAN check,
> > meaning if we kexec from a little-endian kernel the target kernel will
> > fail to boot.
> > Returning to big-endian before we enter the target kernel ensures that
> > the target kernel can boot whether or not it includes FIXUP_ENDIAN.
> > 
> > This mirrors commit 150b14e7 in kexec-lite.
> > 
> > Signed-off-by: Samuel Mendoza-Jonas <sam.mj at au1.ibm.com>
> 
> I would value a review from one of the PPC folks.

The diff looks good to me, and I've also tested it, so take your pick:

Tested-by: Michael Ellerman <mpe at ellerman.id.au>
Acked-by: Michael Ellerman <mpe at ellerman.id.au>

cheers