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In-Reply-To: <a96a221fb2ce681076b86c27d28ba4ec6b9bbb8d.1548419273.git.christophe.leroy@c-s.fr>
To:     Christophe Leroy <christophe.leroy@c-s.fr>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        Paul Mackerras <paulus@samba.org>,
        joakim.tjernlund@infinera.com
From:   Michael Ellerman <patch-notifications@ellerman.id.au>
Cc:     linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [10/10] powerpc/book3s32: Reorder _PAGE_XXX flags to simplify TLB handling
Message-Id: <445RN035Q4z9sBp@ozlabs.org>
Date:   Fri, 22 Feb 2019 20:47:43 +1100 (AEDT)
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

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 <christophe.leroy@c-s.fr>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/78ca1108b10927b3d068c8da91352b0f

cheers