From mboxrd@z Thu Jan  1 00:00:00 1970
From: Florian Fainelli <florian@openwrt.org>
Subject: Re: Status of bzip2 and lzma kernel compression for ARM?
Date: Thu, 25 Jun 2009 11:04:01 +0200
Message-ID: <200906251104.02830.florian@openwrt.org>
References: <4A428AFF.20307@free-electrons.com> <4A433BCD.2030506@compulab.co.il>
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To: Mike Rapoport <mike@compulab.co.il>
Cc: Michael Opdenacker <michael-lists@free-electrons.com>, Alain Knaff <alain@knaff.lu>, Thomas Petazzoni <thomas.petazzoni@free-electrons.com>, Russell King - ARM Linux <linux@arm.linux.org.uk>, Linux Kernel Mailing List <linux-kernel@vger.kernel.org>, linux-arm-kernel@lists.arm.linux.org.uk, linux-embedded mailing list <linux-embedded@vger.kernel.org>

Hi Michael, Mike

Le Thursday 25 June 2009 10:56:45 Mike Rapoport, vous avez =E9crit=A0:
> Hi Michael,
>
> Michael Opdenacker wrote:
> > Hi Alain,
> >
> > I would like to test bzip2 and lzma compression on ARM.
> >
> > Would you mind telling me what the status of your patches on ARM is=
, now
> > that the x86  and architecture independent code has been merged? Ha=
ve
> > you or has anyone already updated them for 2.6.30, or shall I updat=
e
> > them by myself?
>
> I'm not sure what exactly do you mean by "test bzip2 and lzma compres=
sion
> on ARM", but if you refer to internal initramfs compression, I can te=
ll
> that I've used lzma compression on PXA270 and it works fine.

I think Michael refers to the lzma decompressor which allows you to use=
 a=20
lzma-compressed kernel as a (b)zImage with its architecture specific=20
decompressor piggy-backed in the (b)zImage.

Such thing would also be very useful on MIPS and PowerPC as well.
--=20
Best regards, Florian Fainelli
Email : florian@openwrt.org
http://openwrt.org
-------------------------------