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

From: Arjan van de Ven
Date: Tue Mar 23 2004 - 07:42:59 EST


On Tue, Mar 23, 2004 at 01:31:05PM +0100, Andrea Arcangeli wrote:
> 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.

yeah ksoftirqd will work too indeed.

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