Re: [PATCH v2 2/6] KVM: x86: decouple irqchip_in_kernel() and pic_irqchip()

From: Paolo Bonzini
Date: Fri Dec 16 2016 - 10:25:27 EST




On 16/12/2016 16:10, Radim KrÄmÃÅ wrote:
> + bool ret = irqchip_kernel(kvm) || irqchip_split(kvm);

bool ret = (kvm->arch.irqchip_mode != KVM_IRQCHIP_NONE);

:)

Paolo

>
> - ret = (vpic != NULL);
> - ret |= irqchip_split(kvm);
> -
> - /* Read vpic before kvm->irq_routing. */
> + /* Matches with wmb after initializing kvm->irq_routing. */
> smp_rmb();