linux-kernel - Re: [Part1 PATCH v5 04/22] x86, ACPI: Search buffer above 4GB in a second try for acpi initrd table override

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Message-ID: <20130617210636.GO32663@mtj.dyndns.org>
Date:	Mon, 17 Jun 2013 14:06:36 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Tang Chen <tangchen@...fujitsu.com>
Cc:	tglx@...utronix.de, mingo@...e.hu, hpa@...or.com,
	akpm@...ux-foundation.org, trenn@...e.de, yinghai@...nel.org,
	jiang.liu@...wei.com, wency@...fujitsu.com, laijs@...fujitsu.com,
	isimatu.yasuaki@...fujitsu.com, mgorman@...e.de,
	minchan@...nel.org, mina86@...a86.com, gong.chen@...ux.intel.com,
	vasilis.liaskovitis@...fitbricks.com, lwoodman@...hat.com,
	riel@...hat.com, jweiner@...hat.com, prarit@...hat.com,
	x86@...nel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	"Rafael J. Wysocki" <rjw@...k.pl>, linux-acpi@...r.kernel.org
Subject: Re: [Part1 PATCH v5 04/22] x86, ACPI: Search buffer above 4GB in a
 second try for acpi initrd table override

On Thu, Jun 13, 2013 at 09:02:51PM +0800, Tang Chen wrote:
> From: Yinghai Lu <yinghai@...nel.org>
> 
> Now we only search buffer for new acpi tables in initrd under
> 4GB. In some case, like user use memmap to exclude all low ram,
> we may not find range for it under 4GB. So do second try to
> search for buffer above 4GB.
> 
> Since later accessing to the tables is using early_ioremap(),

Maybe "later accesses to the tables" would read better?

> using memory above 4GB is OK.
> 
> Signed-off-by: Yinghai Lu <yinghai@...nel.org>
> Cc: "Rafael J. Wysocki" <rjw@...k.pl>
> Cc: linux-acpi@...r.kernel.org
> Tested-by: Thomas Renninger <trenn@...e.de>
> Reviewed-by: Tang Chen <tangchen@...fujitsu.com>
> Tested-by: Tang Chen <tangchen@...fujitsu.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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