From mboxrd@z Thu Jan  1 00:00:00 1970
From: robherring2@gmail.com (Rob Herring)
Date: Mon, 25 Feb 2013 14:08:30 -0600
Subject: [PATCH] ARM: head: fix swapper and idmap population with LPAE
 and big-endian
In-Reply-To: <fc39410e45e86f30d1f4fec192f35f64@localhost>
References: <1361805401-8629-1-git-send-email-will.deacon@arm.com>
 <fc39410e45e86f30d1f4fec192f35f64@localhost>
Message-ID: <512BC4BE.7050103@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 02/25/2013 10:05 AM, Marc Zyngier wrote:
> On Mon, 25 Feb 2013 15:16:41 +0000, Will Deacon <will.deacon@arm.com>
> wrote:
>> The LPAE page table format uses 64-bit descriptors, so we need to take
>> endianness into account when populating the swapper and idmap tables
>> during early initialisation.
>>
>> This patch ensures that we store the two words making up each page table
>> entry in the correct order when running big-endian.
>>
>> Cc: <stable@vger.kernel.org>
>> Acked-by: Catalin Marinas <catalin.marinas@arm.com>
>> Signed-off-by: Will Deacon <will.deacon@arm.com>
> 
> FWIW, tested as a KVM guest.

That was a for BE guest on LE host, right? :o

Any ideas about much work that would be?

Rob