From: ebiederm@xmission.com (Eric W. Biederman)
To: "Yinghai Lu" <yinghai.lu@amd.com>
Cc: "Andi Kleen" <ak@suse.de>, Horms <horms@verge.net.au>,
       "Jan Kratochvil" <lace@jankratochvil.net>,
       "H. Peter Anvin" <hpa@zytor.com>, "Magnus Damm" <magnus.damm@gmail.com>,
       linux-kernel@vger.kernel.org
Subject: Re: [PATCH 32/33] x86_64: Relocatable kernel support
References: <m1d5bk2046.fsf@ebiederm.dsl.xmission.com>
	<11544302483667-git-send-email-ebiederm@xmission.com>
	<p73d5bk1dat.fsf@verdi.suse.de>
	<m1vepbx4aj.fsf@ebiederm.dsl.xmission.com>
	<86802c440611042202l703de80i26931090f2809e74@mail.gmail.com>
Date: Sat, 04 Nov 2006 23:52:03 -0700
In-Reply-To: <86802c440611042202l703de80i26931090f2809e74@mail.gmail.com>
	(Yinghai Lu's message of "Sat, 4 Nov 2006 22:02:14 -0800")
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"Yinghai Lu" <yinghai.lu@amd.com> writes:

> On 8/1/06, Eric W. Biederman <ebiederm@xmission.com> wrote:
>> I guess I could take this in some slightly smaller steps.
>> But this does wind up with decompressor being 64bit code.
>
> Sorry to bring out the old mail.
>
> except reusing the uncompressor in 32bit, is there any reason that you
> removed startup_32 for vmlinux but keep startup_32 for bzImage?
>
> that will make vmlinux use 64bit boot loader only.

If you are booting a vmlinux you read the ELF header.  The ELF header
only describes the native mode.  Therefore no 32bit entry makes much sense.

bzImage is something else entirely.

Eric

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