[PATCH] powerpc: Don't overwrite flat device tree with kdump kernel

[Michael Ellerman]

On Mon, 6 Feb 2006 03:41, Kumar Gala wrote:
> On Feb 4, 2006, at 8:25 PM, Haren Myneni wrote:
> > Kumar Gala wrote:
> >> Doesn't setup_32.c need a similar change?
> >
> > At present kdump will not be supported on ppc32.
> > In case, kdump_move_device_tree() can be called at the beginning of
> > unflatten_device_tree() to support both ppc32 and 64 instead of
> > making changes in setup_64.c and setup_32.c.  The extern definition
> > can be removed from asm-powerpc/prom.h and this function can be
> > static.
>
> What's the issue with kdump on ppc32?  One of the reasons we merged
> ppc32 and ppc64 was to avoid such issues going forward?

Currently in mainline all we have is hooks for ppc32 kexec, no actual 
implementation. Apparently it exists somewhere, but I haven't seen it.

cheers

-- 
Michael Ellerman
IBM OzLabs

email: michael:ellerman.id.au
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