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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>
(cherry picked from commit 98f4a14676)
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Michael Mueller
2014-02-26 16:14:18 +01:00
committed by Christoffer Dall
parent 312c49473d
commit 2aaea8b6ef
1 changed files with 1 additions and 1 deletions
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2
virt/kvm/kvm_main.c
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@@ -1800,7 +1800,7 @@ 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;