On 06.09.2010, at 11:14, Avi Kivity wrote:

> On 09/06/2010 12:09 PM, Alexander Graf wrote:
>> 
>>> It can also be running host kernel or user code.
>> In that case it's the same as running guest code, no? We'll pass by the vcpu 
>> entry check asap.
> 
> Sure, but the IPI is wasted.  If you spend 10% of your time in host code, you 
> can avoid 10% of the IPIs.
> 
> (actually less, since the atomic part of the guest switch has guest_mode 
> enabled)

Oh. My bad. I had a thinko here :).

Sure, sounds like a good idea.


Alex

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to