linux-kernel - Re: [PATCH 1/2] boot: increase stack size for kernel boot loader decompressor -- payload

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Message-ID: <47FE9B57.1040203@zytor.com>
Date:	Thu, 10 Apr 2008 15:57:27 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yhlu.kernel@...il.com>
CC:	Ingo Molnar <mingo@...e.hu>,
	Alexander van Heukelum <heukelum@...lshack.com>,
	Mike Travis <travis@....com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, heukelum@...tmail.fm
Subject: Re: [PATCH 1/2] boot: increase stack size for kernel boot loader
 decompressor -- payload_length

Yinghai Lu wrote:
> 
> output_len in vmlinux.scr?
> 
> bootloader will try to get that ?
> 

No, the last four bytes of a gzip image is the uncompressed length.

A bootloader which wants the uncompressed ELF file length (as opposed to 
the individual ELF segments) can get it that way.

	-hpa
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