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Date:   Fri, 22 Feb 2019 20:47:43 +1100 (AEDT)
From:   Michael Ellerman <>
To:     Christophe Leroy <>,
        Benjamin Herrenschmidt <>,
        Paul Mackerras <>,
Subject: Re: [10/10] powerpc/book3s32: Reorder _PAGE_XXX flags to simplify TLB handling

On Fri, 2019-01-25 at 12:34:20 UTC, Christophe Leroy wrote:
> For pages without _PAGE_USER, PP field is 00
> For pages with _PAGE_USER, PP field is 10 for RW and 11 for RO.
> This patch sets _PAGE_USER to 0x002 and _PAGE_RW to 0x001
> is order to simplify TLB handling by reducing amount of shifts.
> The location of _PAGE_PRESENT and _PAGE_HASHPTE doesn't matter
> as they are only SW related flags.
> Signed-off-by: Christophe Leroy <>

Applied to powerpc next, thanks.


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