Re: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property updates to VLPIs

Christoffer Dall
2017-08-28T18:16:28Z

On Mon, Jul 31, 2017 at 06:26:25PM +0100, Marc Zyngier wrote:
> Upon updating a property, we propagate it all the way to the physical
> ITS, and ask for an INV command to be executed there.
>
> Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>

Acked-by: Christoffer Dall <cdall@linaro.org>

> ---
> virt/kvm/arm/vgic/vgic-its.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/virt/kvm/arm/vgic/vgic-its.c b/virt/kvm/arm/vgic/vgic-its.c
> index 65cc77fde609..9e46081e5f15 100644
> --- a/virt/kvm/arm/vgic/vgic-its.c
> +++ b/virt/kvm/arm/vgic/vgic-its.c
> @@ -297,6 +297,9 @@ static int update_lpi_config(struct kvm *kvm, struct vgic_irq *irq,
> spin_unlock(&irq->irq_lock);
> }
>
> + if (irq->hw)
> + return its_prop_update_vlpi(irq->host_irq, prop, true);
> +
> return 0;
> }
>
> --
> 2.11.0
>