On 10/31/2012 06:08 PM, Avi Kivity wrote:
On 10/29/2012 04:07 PM, Raghavendra K T wrote:
From: Raghavendra K T <raghavendra...@linux.vnet.ibm.com>
Also we do not update last boosted vcpu in failure cases.
#endif
+
void kvm_vcpu_on_spin(struct kvm_vcpu *me)
{
struct kvm *kvm = me->kvm;
@@ -1727,11 +1727,12 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me)
continue;
if (!kvm_vcpu_eligible_for_directed_yield(vcpu))
continue;
- if (kvm_vcpu_yield_to(vcpu)) {
+
+ yielded = kvm_vcpu_yield_to(vcpu);
+ if (yielded > 0)
kvm->last_boosted_vcpu = i;
- yielded = 1;
+ if (yielded)
break;
- }
}
If yielded == -ESRCH, should we not try to yield to another vcpu?
Yes. plan is to abort the iteration. since it means we are mostly
undercommitted.
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