Message-ID: <44CFB8C4.8060904@zytor.com>
Date: Tue, 01 Aug 2006 13:25:40 -0700
From: "H. Peter Anvin" <hpa@zytor.com>
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To: vgoyal@in.ibm.com
CC: "Eric W. Biederman" <ebiederm@xmission.com>, fastboot@osdl.org,
       linux-kernel@vger.kernel.org, Horms <horms@verge.net.au>,
       Jan Kratochvil <lace@jankratochvil.net>,
       Magnus Damm <magnus.damm@gmail.com>, Linda Wang <lwang@redhat.com>
Subject: Re: [RFC] ELF Relocatable x86 and x86_64 bzImages
References: <m1d5bk2046.fsf@ebiederm.dsl.xmission.com> <20060801192628.GE7054@in.ibm.com>
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Vivek Goyal wrote:
> 
> Hi Eric,
> 
> Can't we use the x86_64 relocation approach for i386 as well? I mean keep
> the virtual address space fixed and updating the page tables. This would
> help in the sense that you don't have to change gdb if somebody decides to
> debug the relocated kernel.
> 
> Any such tool that retrieves the symbol virtual address from vmlinux will
> be confused.
> 

I don't think this is practical given the virtual space constraints on 
i386 systems.

	-hpa

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