Re: [PATCH RFC] kvm: x86: add halt_poll module parameter

[Paolo Bonzini]

On 05/02/2015 18:53, Radim KrÄmÃÅ wrote:
> >            99% of what you get if you use idle=poll in the guest.
> 
> (Hm, I would have thought that this can outperform idle=poll ...)

It outperforms idle=poll in the host.  A vmexit is probably too cheap to
outperform having idle=poll in the guest.

Paolo
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