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SubjectRe: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.23

* <> wrote:

> >you have to build another kernel for them. irqs-off and preempt-off
> >timing can be mixed freely (and both can be enabled in the same kernel),
> >but wakeup timing deserves its own .config space and since it's not
> >mixable with the other two methods i didnt see much point in enabling
> >all 3 at once with strange dependencies between them. Is this a big
> >issue? Normally i think the wakeup timing is more than enough to get a
> >feel of latencies, and if something specific is suspected the other ones
> >can be turned on.
> Just that it takes an hour or so to rebuild the kernel plus the disk
> storage to keep two kernels instead of one.

ok, i added runtime configurability of the 3 options back, so that you
can build all 3 in and switch between them via the preempt_wakeup_timing
flag. Will be in the next release.

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