Re: [PATCH] ptrace: unify FDPIC implementations

[Paul Mundt]

On Mon, Feb 15, 2010 at 07:30:29PM -0500, Mike Frysinger wrote:
> The Blackfin/FRV/SuperH guys all have the same exact FDPIC ptrace code in
> their arch handlers (since they were probably copied & pasted).  Since
> these ptrace interfaces are an arch independent aspect of the FDPIC code,
> unify them in the common ptrace code so new FDPIC ports don't need to copy
> and paste this fundamental stuff yet again.
> 
> Signed-off-by: Mike Frysinger <vapier@xxxxxxxxxx>
> Acked-by: Roland McGrath <roland@xxxxxxxxxx>
> Acked-by: David Howells <dhowells@xxxxxxxxxx>
> Acked-by: Paul Mundt <lethal@xxxxxxxxxxxx>

Just to follow up on this, this code obviously expects consistent entries
in mm_context_t. Presently include/asm-generic/mmu.h is aimed at nommu,
so it would probably be worthwhile stubbing in the FDPIC loadmap entries
there to make things easier for future ports.
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