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From: arnd@arndb.de (Arnd Bergmann)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE
Date: Sat, 6 Apr 2013 10:31:45 +0200	[thread overview]
Message-ID: <201304061031.45598.arnd@arndb.de> (raw)
In-Reply-To: <515F3E96.4040307@free-electrons.com>

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@marvell.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

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
	Ike Pan <ike.pan@canonical.com>,
	Grant Likely <grant.likely@secretlab.ca>,
	David Marlin <dmarlin@redhat.com>,
	Yehuda Yitschak <yehuday@marvell.com>,
	Tawfik Bayouk <tawfik@marvell.com>,
	Dan Frazier <dann.frazier@canonical.com>,
	Eran Ben-Avi <benavi@marvell.com>,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	Leif Lindholm <leif.lindholm@arm.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Jason Cooper <jason@lakedaemon.net>,
	Nadav Haklai <nadavh@marvell.com>, Jon Masters <jcm@redhat.com>,
	devicetree-discuss@lists.ozlabs.org,
	Rob Herring <rob.herring@calxeda.com>,
	linux-arm-kernel@lists.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Chris Van Hoof <vanhoof@canonical.com>,
	Nicolas Pitre <nico@fluxnic.net>,
	linux-kernel@vger.kernel.org, Maen Suleiman <maen@marvell.com>
Subject: Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE
Date: Sat, 6 Apr 2013 10:31:45 +0200	[thread overview]
Message-ID: <201304061031.45598.arnd@arndb.de> (raw)
In-Reply-To: <515F3E96.4040307@free-electrons.com>

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@marvell.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

WARNING: multiple messages have this Message-ID (diff)
From: Arnd Bergmann <arnd@arndb.de>
To: Gregory CLEMENT <gregory.clement@free-electrons.com>
Cc: Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
	Ike Pan <ike.pan@canonical.com>,
	Grant Likely <grant.likely@secretlab.ca>,
	David Marlin <dmarlin@redhat.com>,
	Yehuda Yitschak <yehuday@marvell.com>,
	Tawfik Bayouk <tawfik@marvell.com>,
	Dan Frazier <dann.frazier@canonical.com>,
	"Eran Ben-Avi" <benavi@marvell.com>,
	Ezequiel Garcia <ezequiel.garcia@free-electrons.com>,
	Leif Lindholm <leif.lindholm@arm.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Jason Cooper <jason@lakedaemon.net>,
	Nadav Haklai <nadavh@marvell.com>, Jon Masters <jcm@redhat.com>,
	devicetree-discuss@lists.ozlabs.org,
	Rob Herring <rob.herring@calxeda.com>,
	linux-arm-kernel@lists.infradead.org,
	Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
	Chris Van Hoof <vanhoof@canonical.com>,
	Nicolas Pitre <nico@fluxnic.net>,
	linux-kernel@vger.kernel.org, Maen Suleiman <maen@marvell.com>,
	Shadi Ammouri <shadi@marvell.com>,
	Olof Johansson <olof@lixom.net>
Subject: Re: [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE
Date: Sat, 6 Apr 2013 10:31:45 +0200	[thread overview]
Message-ID: <201304061031.45598.arnd@arndb.de> (raw)
In-Reply-To: <515F3E96.4040307@free-electrons.com>

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@marvell.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

  reply	other threads:[~2013-04-06  8:31 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-04-05 20:23 [PATCH v2 0/9] rm: mvebu: Enable LPAE support for Armada XP SoCs Gregory CLEMENT
2013-04-05 20:23 ` Gregory CLEMENT
2013-04-05 20:23 ` Gregory CLEMENT
2013-04-05 20:23 ` [PATCH v2 1/9] arm: mvebu: Limit the DMA zone when LPAE is selected Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:41   ` Arnd Bergmann
2013-04-05 20:41     ` Arnd Bergmann
2013-04-05 20:41     ` Arnd Bergmann
2013-04-05 20:59     ` Gregory CLEMENT
2013-04-05 20:59       ` Gregory CLEMENT
2013-04-05 20:59       ` Gregory CLEMENT
2013-04-05 20:23 ` [PATCH v2 2/9] arm: mvebu: Align the internal registers virtual base to support LPAE Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:50   ` Arnd Bergmann
2013-04-05 20:50     ` Arnd Bergmann
2013-04-05 20:50     ` Arnd Bergmann
2013-04-05 21:13     ` Gregory CLEMENT
2013-04-05 21:13       ` Gregory CLEMENT
2013-04-05 21:13       ` Gregory CLEMENT
2013-04-06  8:31       ` Arnd Bergmann [this message]
2013-04-06  8:31         ` Arnd Bergmann
2013-04-06  8:31         ` Arnd Bergmann
2013-04-05 20:23 ` [PATCH v2 3/9] arm: mvebu: Enable pj4b on LPAE compilations Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:23 ` [PATCH v2 4/9] arm: dts: Add a 64 bits version of the skeleton device tree Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:23   ` Gregory CLEMENT
2013-04-05 20:24 ` [PATCH v2 5/9] arm: dts: mvebu: move all peripherals inside soc Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24 ` [PATCH v2 6/9] arm: dts: mvebu: Convert all the mvebu files to use the range property Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24 ` [PATCH v2 7/9] arm: dts: mvebu: introduce internal-regs node Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:43   ` Arnd Bergmann
2013-04-05 20:43     ` Arnd Bergmann
2013-04-05 20:43     ` Arnd Bergmann
2013-04-05 20:48     ` Gregory CLEMENT
2013-04-05 20:48       ` Gregory CLEMENT
2013-04-05 20:48       ` Gregory CLEMENT
2013-04-05 20:24 ` [PATCH v2 8/9] arm: dts: mvebu: fix cpus section indentation Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:45   ` Arnd Bergmann
2013-04-05 20:45     ` Arnd Bergmann
2013-04-05 20:45     ` Arnd Bergmann
2013-04-05 20:24 ` [PATCH v2 9/9] arm: dts: mvebu: Convert mvebu device tree files to 64 bits Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:24   ` Gregory CLEMENT
2013-04-05 20:46 ` [PATCH v2 0/9] rm: mvebu: Enable LPAE support for Armada XP SoCs Arnd Bergmann
2013-04-05 20:46   ` Arnd Bergmann
2013-04-05 20:46   ` Arnd Bergmann
2013-04-05 21:10   ` Gregory CLEMENT
2013-04-05 21:10     ` Gregory CLEMENT
2013-04-05 21:10     ` Gregory CLEMENT

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