linux-kernel - Re: Smaller compressed kernel source tarballs?

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Date:	Fri, 22 Sep 2006 11:26:57 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Michael Tokarev <mjt@....msk.ru>
CC:	Johannes Stezenbach <js@...uxtv.org>,
	Jan Engelhardt <jengelh@...ux01.gwdg.de>,
	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Dax Kelson <dax@...ulabs.com>,
	Linux kernel <linux-kernel@...r.kernel.org>,
	Linus Torvalds <torvalds@...l.org>
Subject: Re: Smaller compressed kernel source tarballs?

Michael Tokarev wrote:
> 
> Well, I don't see any shell code here, in /usr/bin/lzma as in istalled from
> debian version 4.43-2.
> 
> But note that this lzma utility does not have any 'magic number' and does
> no crc checks.

Ah, right, that's a total killer.

> On the site it's said lzma(sdk) is under rewrite to support
> new format with magic number and crc checks...

That is an absolute must, IMO.  I would use the gzip format as a base.

	-hpa

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