From: marc.zyngier@arm.com (Marc Zyngier)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: head: fix swapper and idmap population with LPAE and big-endian
Date: Mon, 25 Feb 2013 17:05:39 +0100 [thread overview]
Message-ID: <fc39410e45e86f30d1f4fec192f35f64@localhost> (raw)
In-Reply-To: <1361805401-8629-1-git-send-email-will.deacon@arm.com>
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.
Tested-by: Marc Zyngier <marc.zyngier@arm.com>
M.
--
Fast, cheap, reliable. Pick two.
next prev parent reply other threads:[~2013-02-25 16:05 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-02-25 15:16 [PATCH] ARM: head: fix swapper and idmap population with LPAE and big-endian Will Deacon
2013-02-25 16:05 ` Marc Zyngier [this message]
2013-02-25 20:08 ` Rob Herring
2013-02-25 20:17 ` Marc Zyngier
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