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Re: [PATCH v2] of: Specify initrd location using 64-bit

To: Rob Herring <robherring2@gmail.com>, Santosh Shilimkar <santosh.shilimkar@ti.com>
Subject: Re: [PATCH v2] of: Specify initrd location using 64-bit
From: Grant Likely <grant.likely@linaro.org>
Date: Sat, 20 Jul 2013 06:39:45 +0100
Cc: Rob Herring <rob.herring@calxeda.com>, Geert Uytterhoeven <geert@linux-m68k.org>, Sebastian Andrzej Siewior <bigeasy@linutronix.de>, Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>, Vineet Gupta <vgupta@synopsys.com>, Russell King <linux@arm.linux.org.uk>, Catalin Marinas <catalin.marinas@arm.com>, Will Deacon <will.deacon@arm.com>, Mark Salter <msalter@redhat.com>, Aurelien Jacquiot <a-jacquiot@ti.com>, James Hogan <james.hogan@imgtec.com>, Michal Simek <monstr@monstr.eu>, Ralf Baechle <ralf@linux-mips.org>, Jonas Bonn <jonas@southpole.se>, Benjamin Herrenschmidt <benh@kernel.crashing.org>, Paul Mackerras <paulus@samba.org>, x86@kernel.org, arm@kernel.org, Chris Zankel <chris@zankel.net>, Max Filippov <jcmvbkbc@gmail.com>, Nicolas Pitre <nicolas.pitre@linaro.org>, linux-arm-kernel@lists.infradead.org, linux-c6x-dev@linux-c6x.org, linux-mips@linux-mips.org, linuxppc-dev@lists.ozlabs.org, linux-xtensa@linux-xtensa.org, devicetree-discuss@lists.ozlabs.org
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On Mon, 01 Jul 2013 16:34:26 -0500, Rob Herring <robherring2@gmail.com> wrote:
> On 07/01/2013 01:20 PM, Santosh Shilimkar wrote:
> > On some PAE architectures, the entire range of physical memory could reside
> > outside the 32-bit limit.  These systems need the ability to specify the
> > initrd location using 64-bit numbers.
> > 
> > This patch globally modifies the early_init_dt_setup_initrd_arch() function 
> > to
> > use 64-bit numbers instead of the current unsigned long.
> > 
> > There has been quite a bit of debate about whether to use u64 or 
> > phys_addr_t.
> > It was concluded to stick to u64 to be consistent with rest of the device
> > tree code. As summarized by Geert, "The address to load the initrd is 
> > decided
> > by the bootloader/user and set at that point later in time. The dtb should 
> > not
> > be tied to the kernel you are booting"
> 
> That was quoting me. Otherwise:
> 
> Acked-by: Rob Herring <rob.herring@calxeda.com>
> 
> Unless Grant feels compelled to pick this up for 3.11, I think it has to
> wait for 3.12.

Nope, 3.12 is fine. Applied.

g.


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