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SubjectRe: preemptible RCU bug (was Re: [git pull] scheduler changes for v2.6.25)
Paul E. McKenney wrote:
> --- linux-2.6.24-rt1/kernel/Kconfig.preempt 2008-01-27 02:52:36.000000000 -0800
> +++ linux-2.6.24-rt1-RCUconfighelp/kernel/Kconfig.preempt 2008-01-27 03:05:22.000000000 -0800
> @@ -131,6 +131,14 @@ choice
> prompt "RCU implementation type:"
> default PREEMPT_RCU if PREEMPT_RT
> default CLASSIC_RCU
> + help
> + This allows you to choose either the classic RCU implementation
> + that is designed for best read-side performance on non-realtime
> + systems, or the preemptible RCU implementation for best latency
> + on realtime systems. Note that some kernel preemption modes
> + will restrict your choice.
> +
> + Select the default if you are unsure.

Looks good to me. Serves those people who want to be informed as well
as those who want to be comforted. :-) Thanks,
--
Stefan Richter
-=====-==--- ---= ==-==
http://arcgraph.de/sr/


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