Message-ID: <4638F9BE.8090508@zytor.com>
Date: Wed, 02 May 2007 13:51:10 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: Jeremy Fitzhardinge <jeremy@goop.org>
CC: Gerd Hoffmann <kraxel@redhat.com>,
       "Eric W. Biederman" <ebiederm@xmission.com>,
       Jeff Garzik <jeff@garzik.org>, patches@x86-64.org,
       linux-kernel@vger.kernel.org, Vivek Goyal <vgoyal@in.ibm.com>,
       virtualization <virtualization@lists.linux-foundation.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>	<4634483E.9030307@goop.org>	<m14pmz8bbb.fsf@ebiederm.dsl.xmission.com> <46363A68.6080201@goop.org> <46385A8A.6070405@redhat.com> <4638AB55.20408@goop.org>
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Jeremy Fitzhardinge wrote:
> 
> True.  But the plan is already to make bzImage an ELF file, so notes
> would seem to be the best option.  At worst, it could be ELF notes
> wrapped in some other container, but that's not pretty.
> 

It's not going to happen.  Too many boot loaders make assumptions about
ELF files which aren't really compatible; the entry conditions for an
ELF from a boot loader are pretty ill-defined, so I think this is a bad
idea.

At the very least, it shouldn't present the ELF magic number IMNSHO.

	-hpa
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