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    SubjectRe: [PATCH v5 18/26] KVM: arm/arm64: GICv4: Use pending_last as a scheduling hint
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    Hi,

    On 27/10/2017 16:28, Marc Zyngier wrote:
    > When a vPE exits, the pending_last flag is set when there are
    > pending VLPIs stored in the pending table. Similarily, we set
    > this flag when a doorbell interrupt fires, as it indicates the
    > same condition.
    This is actually done in the next patch.

    Besides:
    Reviewed-by: Eric Auger <eric.auger@redhat.com>


    Thanks

    Eric


    >
    > Let's update kvm_vgic_vcpu_pending_irq() to account for that
    > flag as well, making a vcpu runnable when set.
    >
    > Acked-by: Christoffer Dall <cdall@linaro.org>
    > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
    > ---
    > virt/kvm/arm/vgic/vgic.c | 3 +++
    > 1 file changed, 3 insertions(+)
    >
    > diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
    > index 9d557efd1f7d..0691a2250949 100644
    > --- a/virt/kvm/arm/vgic/vgic.c
    > +++ b/virt/kvm/arm/vgic/vgic.c
    > @@ -769,6 +769,9 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
    > if (!vcpu->kvm->arch.vgic.enabled)
    > return false;
    >
    > + if (vcpu->arch.vgic_cpu.vgic_v3.its_vpe.pending_last)
    > + return true;
    > +
    > spin_lock(&vgic_cpu->ap_list_lock);
    >
    > list_for_each_entry(irq, &vgic_cpu->ap_list_head, ap_list) {
    >

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