Re: [GIT PATCHES] kbuild updates

[Sam Ravnborg]

> > > How is this different from the preempt module vermagic?
> > >
> > > ~$ modinfo agpgart | grep vermagic
> > > vermagic:       2.6.13 preempt gcc-4.0
> >
> > My bad. Adding PREEMT to UTS_VERSION makes it visible in uname -a.
> >
> 
> I see. I can understand adding an extraversion for SMP and experimental 
> patches (like Ingo's RT work), but why is it useful to differentiate (by 
> name) between preempt and non-preempt kernels? Do distributors wish to 
> package both in parallel?

PREEMPT is in UTS_VERSION for the same reason as being present in
vermagic. It is one of these options being so fundamentally that we like
to both test for it and to know it when runinng uname.

	Sam
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