On Thu, Apr 04, 2013 at 11:27:47AM +0530, Aneesh Kumar K.V wrote:
> From: "Aneesh Kumar K.V" <aneesh.ku...@linux.vnet.ibm.com>
> 
> As per ISA doc, we encode base and actual page size in the LP bits of
> PTE. The number of bit used to encode the page sizes depend on actual
> page size.  ISA doc lists this as
> 
>    PTE LP     actual page size
> rrrr rrrz     >=8KB
> rrrr rrzz     >=16KB
> rrrr rzzz     >=32KB
> rrrr zzzz     >=64KB
> rrrz zzzz     >=128KB
> rrzz zzzz     >=256KB
> rzzz zzzz     >=512KB
> zzzz zzzz     >=1MB
> 
> ISA doc also says
> "The values of the “z” bits used to specify each size, along with all possible
> values of “r” bits in the LP field, must result in LP values distinct from
> other LP values for other sizes."
> 
> based on the above update hpte_decode to use the correct decoding for LP bits.
> 
> Acked-by: Paul Mackerras <pau...@samba.org>
> Signed-off-by: Aneesh Kumar K.V <aneesh.ku...@linux.vnet.ibm.com>

Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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