lkml.org 
[lkml]   [2015]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH RFC] kvm: x86: add halt_poll module parameter


On 05/02/2015 18:53, Radim Krčmář 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


\
 
 \ /
  Last update: 2015-02-05 20:41    [W:0.169 / U:0.280 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site