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

From	Christoffer Dall <cdall@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property updates to VLPIs
Date	2017-08-28 20:30 +0200
Message-ID	<ujwXn-vG-1@gated-at.bofh.it> (permalink)
References	<u9mFX-DO-3@gated-at.bofh.it> <u9mFY-DO-29@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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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
>

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Re: [PATCH v3 47/59] KVM: arm/arm64: GICv4: Propagate property  updates to VLPIs Christoffer Dall <cdall@linaro.org> - 2017-08-28 20:30 +0200

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