[RFC] powerpc: Merge 32/64 cacheflush code

[David Gibson]

On Mon, Dec 19, 2005 at 09:30:37AM -0600, Kumar Gala wrote:
> 
> On Dec 18, 2005, at 11:44 PM, David Gibson wrote:
> 
> >Paulus et al, I think the patch below is roughly the right way to go,
> >but it needs much more review and testing (at present it's been
> >cursorily tested on ppc64 pSeries only).
> >
> >This patch merges the cache flushing code for 32 and 64 bit powerpc
> >machines.  This means the ppc64_caches mechanism for determining
> >correct cache sizes at runtime is ported to 32-bit, and is thus
> >renamed as 'powerpc_caches'.  The merged cache flushing functions go
> >in new file arch/powerpc/kernel/cache.S.
> 
> Why dont we just use the cache line information in the cputable?  Why  
> the introduction of this new powerpc_caches structure?

Because the device tree can override the information from the
cputable.  Oh, and the structure is only new for ppc32.

-- 
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