Re: [PATCH] Add LZO1X compression support to the kernel

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On Wed, 02 May 2007 09:56:23 +0100 Richard Purdie <[email protected]> wrote:

> Current thinking is that lzo should get merged directly followed by the
> subsystem parts through their specific trees. It appears this should
> make it onto LKML despite the size so here goes.
> 
> Please keep in mind I haven't reformatted the LZO code itself as if I do
> so, it will make maintenance of it against any changes in LZO itself
> near impossible. In its current form, it should be possible to diff
> against upstream. All the bad formatting is confined to a handful of
> files in lib/lzo/ and the kernel interface should be clean.
> 
> I realise a maze of ifdefs still remain. I've already spent a lot of
> time removing a ton of them and going much further might start to affect
> diffability of the code - I hoping whats there is a good compromise.
> 
> I've asked the LZO author about the comments on lzo_copyright function
> but the code is GPLv2 licensed so is suitable for inclusion in the
> kernel.
> 
> 
> 
> Add LZO1X compression/decompression support to the kernel.
> 
> This is based on the standard userspace lzo library, particularly
> minilzo with the headers much trimmed down and simplified for kernel
> use. Its structured so that it should still diff with the userspace
> version for ease of future updating.

Well that's attractive-looking code.

Why is this needed?  What code plans to use it?

How many buffer overruns are there in it?

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