[PATCH 05/13] powerpc/476: Add isync after loading mmu and debug spr's

[Hollis Blanchard]

On Fri, Mar 5, 2010 at 12:43 PM, Dave Kleikamp
<shaggy at linux.vnet.ibm.com> wrote:
>
> powerpc/476: Add isync after loading mmu and debug spr's
>
> From: Dave Kleikamp <shaggy at linux.vnet.ibm.com>
>
> 476 requires an isync after loading MMU and debug related SPR's.  Some of
> these are in performance-critical paths and may need to be optimized, but
> initially, we're playing it safe.

Why is there sometimes #ifdef CONFIG_PPC_47x, sometimes not, and never
the cputable infrastructure which was intended for this sort of thing?

-Hollis