On 12/02/2009 04:44 PM, Gleb Natapov wrote:
> 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 <clala...@redhat.com>
>> ---
>> 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?
Yeah, you are absolutely right. I mis-read it before. I'll remove this bit.
--
Chris Lalancette
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