[Skiboot] [RFC PATCH 1/2] config: introduce CONFIG_FSP in Makefiles

[Stewart Smith]

Patrick Williams <patrick at stwcx.xyz> writes:
> On Tue, Jul 12, 2016 at 09:19:21AM -0500, Elizabeth Liner wrote:
>> 
>> Hey Stewart,
>> 
>> I was able to work on the XZ changes and recently got it merged and
>> reviewed:
>> 	Hostboot p8 review:
>> https://ralgit01.raleigh.ibm.com/gerrit1/#/c/24609/
>> 	Op-build pull request:
>> https://github.com/open-power/op-build/pull/520
>> 	Open-power/pnor pull request:
>> https://github.com/open-power/pnor/pull/48
>> 
>> So now, you should be able to compress and decompress a section without
>> additional pnor changes with op-build/master-next.  However we currently
>> are not automatically processing if a section is compressed or not, so if
>> you need hostboot to decompress the image, I'll have to add in some
>> additional functionality.  The skiboot image will be processed though.  Let
>> me know if you have any trouble with the compression/decompression or if
>> you want to add in another section.
>
> Since we no longer need PNOR flags to enable this, I wonder if we should
> enable this by default for the skiboot partition.  Any opinions on
> this?

I think we should. It ever so slightly speeds up boot plus it'll mean
we'll detect corruption in the skiboot partition.

Current skiboot master builds a skiboot.lid.xz alongside skiboot.lid -
and I can backport that if it makes it easier.

-- 
Stewart Smith
OPAL Architect, IBM.