> It was <2013-12-25 ?ro 14:12>, when Yin Kangkai wrote:
> > On 2013-12-25, 13:53 +0100, Stephane Desneux wrote:
>
> [...]
>
> >> So regarding your question, Tizen:Generic/armv7/X11 shouldn't be far from
> >> mobile, except that the specific components won't be installed. This image
> >> should be installable on a RD-PQ. The same applies to Intel based mobile platforms.
> >
> > But to be honest, I don't think kernel is in that package set. (As
> > discussed in another thread in this list) kernel is always specific
> > for different vertical/hardware,
>
> Indeed they need different configuration. However, I can see no reason
> why all verticals can't use a single source tree. If some need some
> hardware support this should not be a problem for others. If a profile
> needs a patch for kernel's "core" (mm, scheduler, security etc.) that
> conflicts with other verticals we need to resolve the conflict not hide it.
I also think it would be ideal to share the same source tree.
However, the circumstances don't seem to be that ideal now.
Thus, I don't think this is something we can go right now. (At least not for Tizen 3.0)
For now, the expected benefit of sharing the source tree between x86 Tizen "references" and ARM Tizen "references" or IVI and Mobile:
- Sharing bugfix patches. (However, expected to be included in LTS anyway if you use LTS. So this benefit is very limited for LTS kernel users)
- Aethestic Kernel (not too significant)
However, the cost or obstructions are:
- Version mismatches (mobile currently prefers LTS or equivalent)
- Possible incompatible hacks (& core patches) intended for specific architectures (not listed or found yet in 3.10 mobile kernel though)
Anyways, from pure curiosity, before moving on to the complete single tree, can we consider having two "common reference" trees? E.g., "Mobile Reference" vs "IVI Refernce" (seems to be the current situation in general, though) or "ARM" vs "x86" in git repos?
Cheers,
MyungJoo.
>
> --
> Łukasz Stelmach
> Samsung R&D Institute Poland
> Samsung Electronics
>
>
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