[Ksummit-discuss] [TECH TOPIC] Mainlining PREEMPT_RT

Rafael J. Wysocki rjw at rjwysocki.net
Tue Oct 13 22:40:10 UTC 2015


On Tuesday, October 13, 2015 12:42:30 PM Steven Rostedt wrote:
> 
> Now that it was announced in Dublin last week that mainlining
> PREEMPT_RT has funding, I would like to propose a tech topic to discuss
> what is needed to be done in the near future.
> 
> Thomas Gleixner and his minions will be doing the brunt of the work,
> but there's issues that need to be addressed with the rest of the
> kernel. The various topics would include:
> 
>  CPU hotplug
>  preempt_disable and local_irq_disable annotations
>  new timer_wheel implementation
>  simple waitqueues
>  trylock boosting
> 
> Several of the Real Time developers will be present at kernel summit. I
> think this would be a great opportunity to have them be able to sit
> down together and discuss the remaining issues.

Well, that's not limited to the RT developers even.

Good topic.

Thanks,
Rafael



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