linux-kernel - Re: x86: removing zImage support?

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Message-ID: <49B71814.2090604@zytor.com>
Date:	Tue, 10 Mar 2009 18:47:00 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	the arch/x86 maintainers <x86@...nel.org>
Subject: Re: x86: removing zImage support?

Andi Kleen wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> 
>> I'm thinking again about removing zImage support.  An "allnoconfig"
>> kernel (with CONFIG_EMBEDDED=y to expose additional knobs, and
>> CONFIG_BINFMT_ELF=y so it can do anything at all) is currently 487K on
>> i386 -- very close to the upper limit of 512K for zImage.
> 
> An alternative would be to do a concentrated effort to get rid of text bloat
> again. I bet it could be stripped down to much below that again by just
> attacking some low hanging fruit.
> 

That wasn't exactly the point.  The whole point is whether or not we can
reduce the complexity of the code by removing a mode which has few or no
users.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

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