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

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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 <mimu@linux.vnet.ibm.com>
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Michael Mueller 2014-02-26 16:14:18 +01:00 committed by Paolo Bonzini
parent f87618e870
commit 98f4a14676
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/kvm_main.c
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@ -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;