linux-kernel - Re: [PATCH v13 4/6] arm64: Move unflatten_device

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Date:	Thu, 3 Mar 2016 07:47:51 -0600
From:	Rob Herring <robh+dt@...nel.org>
To:	David Daney <ddaney.cavm@...il.com>
Cc:	Will Deacon <will.deacon@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Frank Rowand <frowand.list@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Ganapatrao Kulkarni <gkulkarni@...iumnetworks.com>,
	Robert Richter <rrichter@...ium.com>,
	Ard Biesheuvel <ard.biesheuvel@...aro.org>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Mark Rutland <mark.rutland@....com>,
	Catalin Marinas <catalin.marinas@....com>,
	"linux-efi@...r.kernel.org" <linux-efi@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	David Daney <david.daney@...ium.com>
Subject: Re: [PATCH v13 4/6] arm64: Move unflatten_device_tree() call earlier.

On Wed, Mar 2, 2016 at 4:56 PM, David Daney <ddaney.cavm@...il.com> wrote:
> From: David Daney <david.daney@...ium.com>
>
> In order to extract NUMA information from the device tree, we need to
> have the tree in its unflattened form.
>
> Move the call to unflatten_device_tree() into paging_init().  This
> puts it before the call to bootmem_init(), which is where the NUMA
> information is extracted.

Can't you just move up unflatten_device_tree in setup_arch rather than
hiding in paging_init?

> Signed-off-by: David Daney <david.daney@...ium.com>
> ---
>  arch/arm64/kernel/setup.c | 7 +++----
>  arch/arm64/mm/mmu.c       | 5 +++++
>  2 files changed, 8 insertions(+), 4 deletions(-)