Date: Tue, 23 Mar 2004 13:40:32 +0100
From: Arjan van de Ven <arjanv@redhat.com>
To: Andrea Arcangeli <andrea@suse.de>
Cc: dipankar@in.ibm.com, tiwai@suse.de, Robert Love <rml@ximian.com>,
       Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] RCU for low latency (experimental)
Message-ID: <20040323124032.GF13666@devserv.devel.redhat.com>
References: <20040323101755.GC3676@in.ibm.com> <1080038105.5296.8.camel@laptop.fenrus.com> <20040323123105.GI22639@dualathlon.random>
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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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