| From | Marc Zyngier <> | Subject | [PATCH v3 50/59] KVM: arm/arm64: GICv4: Use pending_last as a scheduling hint | Date | Mon, 31 Jul 2017 18:26:28 +0100 |
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When a vPE exits, the pending_last flag is set when there are pending VLPIs stored in the pending table. Similarily, we set this flag when a doorbell interrupt fires, as it indicates the same condition.
Let's update kvm_vgic_vcpu_pending_irq() to account for that flag as well, making a vcpu runnable when set.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> --- virt/kvm/arm/vgic/vgic.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c index a96e566905d2..dfac894f6f03 100644 --- a/virt/kvm/arm/vgic/vgic.c +++ b/virt/kvm/arm/vgic/vgic.c @@ -781,6 +781,9 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu) if (!vcpu->kvm->arch.vgic.enabled) return false; + if (vcpu->arch.vgic_cpu.vgic_v3.its_vpe.pending_last) + return true; + spin_lock(&vgic_cpu->ap_list_lock); list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) { -- 2.11.0
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