linux-kernel - Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE

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Message-Id: <201304061031.45598.arnd@arndb.de>
Date:	Sat, 6 Apr 2013 10:31:45 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	Lior Amsalem <alior@...vell.com>, Andrew Lunn <andrew@...n.ch>,
	Ike Pan <ike.pan@...onical.com>,
	Grant Likely <grant.likely@...retlab.ca>,
	David Marlin <dmarlin@...hat.com>,
	Yehuda Yitschak <yehuday@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Dan Frazier <dann.frazier@...onical.com>,
	"Eran Ben-Avi" <benavi@...vell.com>,
	Ezequiel Garcia <ezequiel.garcia@...e-electrons.com>,
	Leif Lindholm <leif.lindholm@....com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Jason Cooper <jason@...edaemon.net>,
	Nadav Haklai <nadavh@...vell.com>,
	Jon Masters <jcm@...hat.com>,
	devicetree-discuss@...ts.ozlabs.org,
	Rob Herring <rob.herring@...xeda.com>,
	linux-arm-kernel@...ts.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	Chris Van Hoof <vanhoof@...onical.com>,
	Nicolas Pitre <nico@...xnic.net>, linux-kernel@...r.kernel.org,
	Maen Suleiman <maen@...vell.com>,
	Shadi Ammouri <shadi@...vell.com>,
	Olof Johansson <olof@...om.net>
Subject: Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE

On Friday 05 April 2013, Gregory CLEMENT wrote:
> On 04/05/2013 10:50 PM, Arnd Bergmann wrote:
> > On Friday 05 April 2013, Gregory CLEMENT wrote:
> >> From: Lior Amsalem <alior@...vell.com>
> > 
> > This is a surprising limitation. Can you extend the above text to go into more
> > detail where that alignment requirement comes from?
> > 
> 
> The explanation I had was that in LPAE section size is 2MB, in earlyprintk we map
> the internal registers and it must be section aligned.
> 

Ah, I see. Please put that in the text then.

	Arnd
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