On January 8, 2002 10:08 pm, Rik van Riel wrote:
> On Tue, 8 Jan 2002, Daniel Phillips wrote:
>
> > The preemptible kernel can reschedule, on average, sooner than the
> > scheduling-point kernel, which has to wait for a scheduling point to
> > roll around.
>
> The preemptible kernel ALSO has to wait for a scheduling point
> to roll around, since it cannot preempt with spinlocks held.
Think about the relative amount of time spent inside spinlocks vs regular
kernel.
> Considering this, I don't see much of an advantage to adding
> kernel preemption.
And now?
-- Daniel - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
This archive was generated by hypermail 2b29 : Tue Jan 15 2002 - 21:00:24 EST