Re: [PATCH] RCU for low latency (experimental)

Andrea Arcangeli
2004-03-23T12:30:35Z

On Tue, Mar 23, 2004 at 11:35:06AM +0100, Arjan van de Ven wrote:
>
> > Reduce bh processing time of rcu callbacks by using tunable per-cpu
> > krcud daemeons.
>
> why not just use work queues ?

I don't know if work queues are scheduler friendly, but definitely the
rearming tasklets are. Running a dozen callbacks per pass and queueing
any remining work to a rearming tasklet should fix it.