Avi Kivity wrote:
[...]
> 
> The normal user/system accounting has the same issue, no?  Whereever we
> happen to land (kernel or user) gets the whole tick.
> 
> So I think it is okay to have the same limitation for guest time.
> 

So this is how it looks like.
PATCH 1 and 2 are always a prerequisite.

Laurent