On Tue, Dec 01, 2009 at 03:36:41PM +0100, Chris Lalancette wrote:
> Make sure that we kick the appropriate vcpu when delivering
> an interrupt. This makes sure that we wake any idle cpus
> to cause a "vcpu_run" and an interrupt injection to occur.
>
> Signed-off-by: Chris Lalancette <[email protected]>
> ---
> virt/kvm/irq_comm.c | 5 ++++-
> 1 files changed, 4 insertions(+), 1 deletions(-)
>
> diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
> index 9b07734..96df854 100644
> --- a/virt/kvm/irq_comm.c
> +++ b/virt/kvm/irq_comm.c
> @@ -98,6 +98,7 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct
> kvm_lapic *src,
> if (r < 0)
> r = 0;
> r += kvm_apic_set_irq(vcpu, irq);
> + kvm_vcpu_kick(vcpu);
> } else {
> if (!lowest)
> lowest = vcpu;
> @@ -106,8 +107,10 @@ int kvm_irq_delivery_to_apic(struct kvm *kvm, struct
> kvm_lapic *src,
> }
> }
>
> - if (lowest)
> + if (lowest) {
> r = kvm_apic_set_irq(lowest, irq);
> + kvm_vcpu_kick(lowest);
> + }
>
> return r;
> }
kvm_vcpu_kick() is done inside kvm_apic_set_irq(), so why is this
needed?
--
Gleb.
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