RE: [PATCH 0/3] Update LZO compression

From: Dan Magenheimer
Date: Thu Dec 20 2012 - 21:04:24 EST


> From: Markus F.X.J. Oberhumer [mailto:markus@xxxxxxxxxxxxx]
> Subject: Re: [PATCH 0/3] Update LZO compression
>
> Thanks Arnd,
>
> On 2012-10-11 13:41, Arnd Bergmann wrote:
> > On Tuesday 09 October 2012, Markus F.X.J. Oberhumer wrote:
> >>>
> >>> : This commit updates the kernel LZO code to the current upsteam version
> >>> : which features a significant speed improvement - benchmarking the Calgary
> >>> : and Silesia test corpora typically shows a doubled performance in
> >>> : both compression and decompression on modern i386/x86_64/powerpc machines.
> >>>
> >>> There are significant clients of the LZO library - crypto, btrfs,
> >>> jffs2, ubifs, squashfs and zcache. So let's give all those people a cc
> >>> and ask that they test the LZO changes once they land in linux-next.
> >>> For correctness and performance, please.
> >>
> >> The core compression and decompression code has been thoroughly tested, so I
> >> do not expect major problems.
> >>
> >> Good testing after the merge and feedback about build or performance issues
> >> (and improvements!) is highly appreciated.
> >
> > The addition of the lzo tree to linux-next caused this problem for ARM
> > imx_v6_v7_defconfig:
> >
> > In file included from /home/arnd/linux-arm/arch/arm/boot/compressed/decompress.c:40:0:
> > /home/arnd/linux-arm/arch/arm/boot/compressed/../../../../lib/decompress_unlzo.c:34:34: fatal error:
> lzo/lzo1x_decompress.c: No such file or directory
> >
> > Since the file was renamed, anything including it needs to be updated to the
> > new file name.
>
> I will add that patch to my tree.
>
> Cheers,
> Markus

Sorry if I missed it (bad connectivity this week), but is someone going
to send a pull request to get this LZO update from linux-next into
Linus's tree? The window is closing soon isn't it?

Dan
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