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KVM: arm/arm64: Don't queue VLPIs on INV/INVALL

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Since VLPIs are injected directly by the hardware there's no need to
mark these as pending in software and queue them on the AP list.

Reviewed-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
This commit is contained in:
Christoffer Dall 2017-11-10 09:34:54 +01:00
parent 3d1ad640f8
commit 95b110ab9a
1 changed files with 6 additions and 3 deletions
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9
virt/kvm/arm/vgic/vgic-its.c
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@ -292,11 +292,14 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq,
irq->priority = LPI_PROP_PRIORITY(prop); irq->priority = LPI_PROP_PRIORITY(prop);
irq->enabled = LPI_PROP_ENABLE_BIT(prop); irq->enabled = LPI_PROP_ENABLE_BIT(prop);
vgic_queue_irq_unlock(kvm, irq, flags); if (!irq->hw) {
} else { vgic_queue_irq_unlock(kvm, irq, flags);
spin_unlock_irqrestore(&irq->irq_lock, flags); return 0;
}
} }
spin_unlock_irqrestore(&irq->irq_lock, flags);
if (irq->hw) if (irq->hw)
return its_prop_update_vlpi(irq->host_irq, prop, needs_inv); return its_prop_update_vlpi(irq->host_irq, prop, needs_inv);