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Date: Sat, 28 Apr 2007 13:38:19 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: "Eric W. Biederman" <ebiederm@xmission.com>
CC: Jeff Garzik <jeff@garzik.org>, Andi Kleen <ak@suse.de>, patches@x86-64.org,
       Vivek Goyal <vgoyal@in.ibm.com>, linux-kernel@vger.kernel.org
Subject: Re: [patches] [PATCH] [21/22] x86_64: Extend bzImage protocol for
 relocatable bzImage
References: <20070428758.455116000@suse.de>	<20070428175909.1D09D151CA@wotan.suse.de> <46338D72.70402@garzik.org> <m1fy6kdzi1.fsf@ebiederm.dsl.xmission.com>
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Eric W. Biederman wrote:
> 
> The boot protocol change is in 2.6.21 for arch/i386.
> 
> HPA looked at it a while ago.
> 
> All it does is set a flag that tells a bootloader.
> "Hey. I can run when loaded a non-default address, and this is what
>  you have to align me to."
> 
> All relocation processing happens in the kernel itself.
> 
> So it is all pretty trivial.
> 

Indeed.  We *did* find some problems with Grub with the early versions,
those were addressed.

	-hpa