linux-kernel - Re: [PATCH v2 2/6] KVM: x86: decouple irqchip_in_kernel() and pic

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Message-ID: <db3d02e3-68d9-521f-6077-2a603ff37a2a@redhat.com>
Date:   Fri, 16 Dec 2016 16:25:11 +0100
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     Radim Krčmář <rkrcmar@...hat.com>,
        linux-kernel@...r.kernel.org, kvm@...r.kernel.org
Subject: Re: [PATCH v2 2/6] KVM: x86: decouple irqchip_in_kernel() and
 pic_irqchip()



On 16/12/2016 16:10, Radim Krčmář 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();