[Xenomai-help] Kernel or Module

[Xenomai-help] Kernel or Module

[Franz Engel]

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Hi,
 
Does it make any difference if I build the linux kernel with the posix skin inside or as a module. Currently I build all Realtime-Options in the kernel. So I load no modules and with lsmod there are no xeno* modules? Is it correct?
 
regards,
     Franz


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Re: [Xenomai-help] Kernel or Module

[Gilles Chanteperdrix]

Franz Engel wrote:
> Hi,
> 
> Does it make any difference if I build the linux kernel with the
> posix skin inside or as a module. Currently I build all
> Realtime-Options in the kernel. So I load no modules and with lsmod
> there are no xeno* modules? Is it correct?

>From a performance point of view, there may be a very little advantage
for in-kernel builds over module builds, on very low end machines. The
major difference is that you do not have to insmod anything before
launching your application. I do not see other differences, in fact. The
module build appears to me mostly as a legacy thing, because in the
past, Xenomai was built outside the kernel tree, and could only be build
as module.

-- 
					    Gilles.