Re: [patch] Voluntary Kernel Preemption, 2.6.12-rc4-mm2

[Nick Piggin]

Arjan van de Ven wrote:
> On Wed, 2005-05-25 at 01:21 +1000, Nick Piggin wrote:
>
> > IIRC, the reason (when you wrote the code) was that you didn't
> > want to enable preempt either because of binary compatibility, or
> > because of bugs? Well I think the bug issue is no more since your
> > debug patches went in, and the compatibility reason may be a fine
> > one for a distro kernel, but not a kernel.org one.
>
>
> I can't imagine binary compatibility having been a reason. At least for
> the RH distros it really isn't kernel wise. At All.
> PREEMPT was (and is?) a stability risk and so you'll see RHEL4 not
> having it enabled. But it has nothing to do with in-kernel binary
> compatibility; that just doesn't exist, kernel.org or distro alike.

Yeah that was the reason.

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