linux-kernel - Re: [PATCH v3 06/16] kvm: x86: svm: Add support to activate/deactivate posted interrupts

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Message-ID: <f3fc86e3-e20f-e84c-237d-d1dbcb5d60a8@redhat.com>
Date:   Wed, 9 Oct 2019 10:25:02 +0200
From:   Paolo Bonzini <pbonzini@...hat.com>
To:     "Suthikulpanit, Suravee" <Suravee.Suthikulpanit@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kvm@...r.kernel.org" <kvm@...r.kernel.org>
Cc:     "rkrcmar@...hat.com" <rkrcmar@...hat.com>,
        "joro@...tes.org" <joro@...tes.org>,
        "vkuznets@...hat.com" <vkuznets@...hat.com>,
        "graf@...zon.com" <graf@...zon.com>,
        "jschoenh@...zon.de" <jschoenh@...zon.de>,
        "karahmed@...zon.de" <karahmed@...zon.de>,
        "rimasluk@...zon.com" <rimasluk@...zon.com>,
        "Grimm, Jon" <Jon.Grimm@....com>
Subject: Re: [PATCH v3 06/16] kvm: x86: svm: Add support to
 activate/deactivate posted interrupts

On 13/09/19 21:00, Suthikulpanit, Suravee wrote:
> +++ b/arch/x86/kvm/x86.c
> @@ -7198,6 +7198,9 @@ void kvm_vcpu_activate_apicv(struct kvm_vcpu *vcpu)
>  	kvm_apic_update_apicv(vcpu);
>  
>  	kvm_x86_ops->refresh_apicv_exec_ctrl(vcpu);
> +
> +	if (kvm_x86_ops->activate_pi_irte)
> +		kvm_x86_ops->activate_pi_irte(vcpu);
>  }
>  EXPORT_SYMBOL_GPL(kvm_vcpu_activate_apicv);
>  
> @@ -7212,6 +7215,8 @@ void kvm_vcpu_deactivate_apicv(struct kvm_vcpu *vcpu)
>  
>  	vcpu->arch.apicv_active = false;
>  	kvm_apic_update_apicv(vcpu);
> +	if (kvm_x86_ops->deactivate_pi_irte)
> +		kvm_x86_ops->deactivate_pi_irte(vcpu);
>  	kvm_x86_ops->refresh_apicv_exec_ctrl(vcpu);
>  }
>  EXPORT_SYMBOL_GPL(kvm_vcpu_deactivate_apicv);

This can be done in refresh_apicv_exec_ctrl.

Paolo