linux-kernel - Re: [PATCH 2/3] Kbuild: Implement CONFIG_UIMAGE_KERNEL

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Date:	Wed, 7 Mar 2012 19:08:15 +0100
From:	Jean-Christophe PLAGNIOL-VILLARD <plagnioj@...osoft.com>
To:	Stephen Warren <swarren@...dotorg.org>
Cc:	Michal Marek <mmarek@...e.cz>, linux-arch@...r.kernel.org,
	Michal Simek <monstr@...str.eu>,
	Guan Xuetao <gxt@...c.pku.edu.cn>,
	Mike Frysinger <vapier@...too.org>, nico@...xnic.net,
	linux-sh@...r.kernel.org, microblaze-uclinux@...e.uq.edu.au,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
	Paul Mundt <lethal@...ux-sh.org>,
	uclinux-dist-devel@...ckfin.uclinux.org,
	sparclinux@...r.kernel.org, Russell King <linux@....linux.org.uk>,
	Haavard Skinnemoen <hskinnemoen@...il.com>,
	"David S. Miller" <davem@...emloft.net>,
	linux-arm-kernel@...ts.infradead.org,
	Hans-Christian Egtvedt <egtvedt@...fundet.no>
Subject: Re: [PATCH 2/3] Kbuild: Implement CONFIG_UIMAGE_KERNEL_NOLOAD

On 17:30 Tue 06 Mar     , Stephen Warren wrote:
> This allows the user to use U-Boot's mkimage's -T kernel_noload option
> if their arch Kconfig allows it, and they desire.
> 
> Signed-off-by: Stephen Warren <swarren@...dotorg.org>
> ---
> The next patch enables this new CONFIG_ALLOW_ option for ARM. I assume
> that some other architectures will also be able to enable it, but I'm
> not familiar enough with any to know which.
I'm going to repeat. I don't think any impromevent here.

with no specific kernel load address the uImage for is useless/

And this no the job of the kernel to build a boot loader specific boot image
format.

And the uImage format here is called the legacy format where now U-Boot
support a new format based on DT format.

Will you plan to add it too?

no sorry I don't think it's the right way to go.

On X86 we boot zImage simply. The new uImage option to do not specify the load
address add nothing more than just boot a zImage for kernel point of view.

Further more on server the vendor will use grub mostly (even on ARM) and will
expect to boot a zImage.

Best Regards,,
J.
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