Re: [v7 0/8] Reduce cross CPU IPI interference

From: Avi Kivity
Date: Thu Feb 02 2012 - 04:35:25 EST

On 02/01/2012 10:13 PM, Paul E. McKenney wrote:
> >
> > Could we also apply the same approach to processors busy doing
> > computational work? In that case the OS is also not needed. Interrupting
> > these activities is impacting on performance and latency.
> Yep, that is in fact what Frederic's dyntick-idle userspace work does.

Running in a guest is a special case of running in userspace, so we'd
need to extend this work to kvm as well.

error compiling committee.c: too many arguments to function

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