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Re: [PATCH v7 12/17] KVM: Implement IRQ bypass consumer callbacks for x86

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  Re: [PATCH v7 12/17] KVM: Implement IRQ bypass consumer callbacks for  x86 Paolo Bonzini <pbonzini@redhat.com> - 2015-09-11 12:40 +0200

#1222705 — Re: [PATCH v7 12/17] KVM: Implement IRQ bypass consumer callbacks for x86

On 25/08/2015 10:50, Feng Wu wrote:
> +	struct kvm_kernel_irqfd *irqfd =
> +		container_of(cons, struct kvm_kernel_irqfd, consumer);
> +
> +	irqfd->producer = prod;

This assignment should be under "if (kvm_x86_ops->update_pi_irte)".

> +	return kvm_arch_update_pi_irte(irqfd->kvm, prod->irq, irqfd->gsi, 1);
> +}
> +
> +void kvm_arch_irq_bypass_del_producer(struct irq_bypass_consumer *cons,
> +				      struct irq_bypass_producer *prod)
> +{
> +	int ret;
> +	struct kvm_kernel_irqfd *irqfd =
> +		container_of(cons, struct kvm_kernel_irqfd, consumer);
> +
> +	irqfd->producer = NULL;

And here it should be like:

	if (!kvm_x86_ops->update_pi_irte) {
		WARN_ON(irqfd->producer != NULL);
		return;
	}

	WARN_ON(irqfd->producer != prod);
	irqfd->producer = NULL;

Paolo

> +
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