Re: [Xenomai-core] [PATCH] let skins select nucleus features

[Jan Kiszka <jan.kiszka@domain.hid>]

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Philippe Gerum wrote:
> Jan Kiszka wrote:
>> Philippe Gerum wrote:
>>
>>> Jan Kiszka wrote:
>>>
>>>> Hi,
>>>>
>>>> this patch aims at avoiding to select unneeded nucleus features if no
>>>> user is requiring it in the skins. Particularly, it addresses the
>>>> nucleus registry and the pipes.
>>>>
>>>> I have spent no effort on 2.4 yet as I first want to wait for comments.
>>>> Furthermore, 2.4. is lacking "select", so the feature selection has to
>>>> remain manually there anyway.
>>>
>>> Looks good. Merged, thanks.
>>>
>>
>>
>> In the same sense, but not that comfortable, here is the a 2.4 variant
>> of the patch.
> 
> I don't agree with the logic of this patch. All user-space enabled skins
> may also run in pure kernel-space in non pervasive mode. A core
> dependency exists from CONFIG_XENO_OPT_REGISTRY on
> CONFIG_XENO_OPT_PERVASIVE, and it should be defined explicitely. In any
> case, maybe it's not worth trying to be too smart with the 2.4
> configuration system when it comes to dealing with features
> inter-dependencies, since we really miss the proper support to do that.
> 

Sorry, doesn't parse for me yet. You that when CONFIG_XENO_OPT_PERVASIVE
is enabled CONFIG_XENO_OPT_REGISTRY is required (which was not correct,
see POSIX skin)?

Jan


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