Re: [RFC PATCH v2 0/4] Add support for LZ4-compressed kernel

Nicolas Pitre
2013-02-27T16:09:01Z

On Wed, 27 Feb 2013, Joe Perches wrote:

> https://lkml.org/lkml/2013/1/29/145

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> I did not and do not see significant value in
> adding LZ4 given Markus' LZO improvements.

Please someone post a comprehensive comparison with all the results in
the same email.

> The new LZO code is faster than ever and it's
> a standalone improvement.
>
> Why would the LZO code not be updated?

It is used by filesystems, etc. So of course it needs to be updated to
faster code.

> Markus has posted what seems a clean git pull
> request. It was not cc'd to arm or linux-arch.
>
> http://linux-kernel.2935.n7.nabble.com/GIT-PULL-Update-LZO-compression-code-for-v3-9-td605184.html

Maybe a reminder should be sent to Linus about this.

>From the above we can see this:

**LZO-2013-UA : updated LZO version available in linux-next plus
experimental ARM Unaligned Access patch. This needs approval from
some ARM maintainer ist NOT YET INCLUDED.

What is that experimental patch in need of approval?

Nicolas