linux-kernel - Re: [RFC PATCH 1/6] ARM, TCM: initialize TCM in paging_init(), instead of setup

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Message-ID: <CACRpkdYifJ+Lk4EETvmOwYk6R-cKcw=6TzZdLcHpGe3MxjY+OA@mail.gmail.com>
Date:	Mon, 25 Mar 2013 22:18:15 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
Cc:	Russell King <linux@....linux.org.uk>,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Nicolas Pitre <nico@...aro.org>,
	Will Deacon <will.deacon@....com>,
	Rickard ANDERSSON <rickard.andersson@...ricsson.com>
Subject: Re: [RFC PATCH 1/6] ARM, TCM: initialize TCM in paging_init(),
 instead of setup_arch()

On Mon, Mar 25, 2013 at 5:11 AM, Joonsoo Kim <iamjoonsoo.kim@....com> wrote:

> tcm_init() call iotable_init() and it use early_alloc variants which
> do memblock allocation. Directly using memblock allocation after
> initializing bootmem should not permitted, because bootmem can't know
> where are additinally reserved.
> So move tcm_init() to a safe place before initalizing bootmem.
>
> Signed-off-by: Joonsoo Kim <iamjoonsoo.kim@....com>

Tested-by: Linus Walleij <linus.walleij@...aro.org>
(On the U300)

You should put this into Russell's patch tracker for his judgement.

Yours,
Linus Walleij
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