diff options
| author | Christoffer Dall <christoffer.dall@linaro.org> | 2017-11-10 11:34:54 +0300 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2017-11-10 11:59:20 +0300 |
| commit | 95b110ab9a093b5baf3a72e51f71279368d618e2 (patch) | |
| tree | fa6139d0d7e8f904313731d73257e403db342810 /virt | |
| parent | 3d1ad640f8c94a9ae9c7c8bbb311614bc0332a7e (diff) | |
| download | linux-95b110ab9a093b5baf3a72e51f71279368d618e2.tar.xz | |
KVM: arm/arm64: Don't queue VLPIs on INV/INVALL
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>
Diffstat (limited to 'virt')
| -rw-r--r-- | virt/kvm/arm/vgic/vgic-its.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c index c93ecd4a903b..a3754ec719c4 100644 --- a/virt/kvm/arm/vgic/vgic-its.c +++ b/virt/kvm/arm/vgic/vgic-its.c @@ -292,11 +292,14 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq, irq->priority = LPI_PROP_PRIORITY(prop); irq->enabled = LPI_PROP_ENABLE_BIT(prop); - vgic_queue_irq_unlock(kvm, irq, flags); - } else { - spin_unlock_irqrestore(&irq->irq_lock, flags); + if (!irq->hw) { + vgic_queue_irq_unlock(kvm, irq, flags); + return 0; + } } + spin_unlock_irqrestore(&irq->irq_lock, flags); + if (irq->hw) return its_prop_update_vlpi(irq->host_irq, prop, needs_inv); |