Re: [PATCH v3 -next 5/5] Kconfig: Make x86 and arm kernels defaultto the LZ4-compressed

[Florian Fainelli]

On 03/06/2013 12:08 AM, Andrew Morton wrote:
> On Tue, 05 Mar 2013 13:04:20 +0100 Florian Fainelli <florian@xxxxxxxxxxx> wrote:
>
> > Hello,
> >
> > On 03/05/2013 12:47 PM, Kyungsik Lee wrote:
> > > This patch makes x86 and arm kernels default to the LZ4-compressed
> > > to test new LZ4 code in the linux-next. This is requested by
> > > Andrew Morton.
> >
> > I do not think making this the default is good idea, because the lz4demo
> > utility that you need to actually compress the kernel (used in patch 2)
> > is not installed nor available by default on most systems, while gzip
> > is.
>
> Yes, that's a showstopper even for linux-next.  What a shame.
>
> It means this code will walk into mainline with practically zero
> third-party testing.  Oh well, the risk is minor.  If it breaks, people
> can switch back to gzip easily enough.

If we want to have more coverage, how about importing the lz4demo 
utility source code to tools/lz4/, and change scripts/Makefile.lib to 
point at it? Once the lz4 utilities have reached a broader audience and 
are available with most distributions, we could revert back to assuming 
this utility can be found in PATH.
--
Florian
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