KVM: add kvm_arch_vcpu_runnable() test to kvm_vcpu_on_spin() loop

Use the arch specific function kvm_arch_vcpu_runnable() to add a further criterium to identify a suitable vcpu to yield to during undirected yield processing. Signed-off-by: Michael Mueller <[email protected]> Reviewed-by: Christian Borntraeger <[email protected]> Signed-off-by: Christian Borntraeger <[email protected]> Signed-off-by: Paolo Bonzini <[email protected]>
cail · Feb 26, 2014 · 98f4a14 · 98f4a14
1 parent f87618e
commit 98f4a14
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
@@ -1801,7 +1801,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me)
 				continue;
 			if (vcpu == me)
 				continue;
-			if (waitqueue_active(&vcpu->wq))
+			if (waitqueue_active(&vcpu->wq) && !kvm_arch_vcpu_runnable(vcpu))
 				continue;
 			if (!kvm_vcpu_eligible_for_directed_yield(vcpu))
 				continue;