Re: Status of bzip2 and lzma kernel compression for ARM?

[Michael Opdenacker]

On 06/25/2009 11:04 AM, Florian Fainelli wrote:
> Le Thursday 25 June 2009 10:56:45 Mike Rapoport, vous avez écrit :
>> I'm not sure what exactly do you mean by "test bzip2 and lzma compression
>> on ARM", but if you refer to internal initramfs compression, I can tell
>> 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 
> lzma-compressed kernel as a (b)zImage with its architecture specific 
> decompressor piggy-backed in the (b)zImage.
>
> Such thing would also be very useful on MIPS and PowerPC as well.
>   
Yes, that's what I meant: using a bzip2 or lzma compressed kernel. I
would like to know the boot time impact on an ARM board.

If I don't get any answer from Alain in the next days, I will propose a
patch update for ARM.

Cheers,

Michael.

-- 
Michael Opdenacker, Free Electrons
Kernel, drivers and embedded Linux development,
consulting, training and support.
http://free-electrons.com

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