Re: [RFC PATCH] Fair low-latency rwlock v5

Peter Zijlstra
2008-08-25T19:21:24Z

On Sun, 2008-08-17 at 15:10 -0400, Mathieu Desnoyers wrote:

> Fair low-latency rwlock v5
>
> Fair low-latency rwlock provides fairness for writers against reader threads,
> but lets softirq and irq readers in even when there are subscribed writers
> waiting for the lock. Writers could starve reader threads.

New lock types should come with lockdep support.

Also, if you're serious about -rt, you'll need to consider full PI.