[cgl_discussion] PPC support in CGL??

Mika Kukkonen mika at osdl.org
Thu Sep 5 07:21:59 PDT 2002

Hi Craig!

Our work is meant to be HW agnostic, but as our resources are limited,
the Reference Implementation (i.e. stuff at CVS in developer.osdl.org)
is tested to work only on x86 (as 99% of OSDL's machines are x86). We
do try to keep code non-x86 dependent as far as it is feasible.

In fact, one of the goals I have stated that when proposing a feature we
should ensure, that it can be made to work also on non-x86 architecture,
and I think PPC is the best reference architecture to compare to.

As a bottomline, I feel that it is up to the corresponding project
maintainer to decide, if he/she wants to accept patches that contain
code specific to non-x86 architectures. I certainly do not see any
reason why not to (besides the effort/resourcing), if patch's purpose is
just to make the feature to work also on non-x86 architecture.


On Thu, 2002-09-05 at 06:34, Craig Arsenault wrote:
> Hi all,
>   Just a quick question:  I looked at the technical scope paper &
> architecture spec paper of CGL
> and i couldn't see anything that specifically said so, but are you
> only targetting x86 (ie. Intel, etc) based platforms for the majority
> of carrier-grade enhancements?  I looked at some of the patches in
> your CVS tree, and some of them are for only x86 boxes (ie. the LKCD
> one, etc. ).  Are there any plans to support PPC architectures (or
> other ones)?
> I do realize that Intel has contributors to this project and that x86
> boxes are prevelant in the industry as a whole (and any new patches in
> the linux community are always released on x86 first for sure), but I
> was just wondering what CGL felt about this issue?  If this has
> already been addressed somewhere and I've just missed it, please point
> me in that direction.
> I'm just asking because there are several large companies that do use
> PPC boards (including cPCI boards) in telco products, and use Linux on
> them.
> Thanks very much.
> --
> Craig.
> +------------------------------------------------------+
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