[PATCH] ARM: Fix bad SP address after relocating kernel

[Tony Lindgren]

* Nicolas Pitre <nicolas.pitre at linaro.org> [110426 14:28]:
> On Tue, 26 Apr 2011, Tony Lindgren wrote:
> 
> > Otherwise cache_clean_flush can overwrite some of the relocated
> > area depending on where the kernel image gets loaded. This fixes
> > booting on n900 after commit 6d7d0ae51574943bf571d269da3243257a2d15db
> > (ARM: 6750/1: improvements to compressed/head.S).
> 
> Gaaaah.  Indeed.
> 
> > Thanks to Aaro Koskinen <aaro.koskinen at nokia.com> for debugging
> > the address of the relocated area that gets corrupted, and to
> > Nicolas Pitre <nicolas.pitre at linaro.org> for the other uncompress
> > related fixes.
> > 
> > Signed-off-by: Tony Lindgren <tony at atomide.com>
> 
> I think there could be a better fix yet.  Could you test this patch:

Cool that works too and avoids using the stack, so that's a better fix:

Tested-by: Tony Lindgren <tony at atomide.com>