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SubjectRe: [PATCH RESEND] KVM: Boosting vCPUs that are delivering interrupts
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On 18.07.19 09:59, Paolo Bonzini wrote:
> On 12/07/19 09:15, Wanpeng Li wrote:
>> diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
>> index b4ab59d..2c46705 100644
>> --- a/virt/kvm/kvm_main.c
>> +++ b/virt/kvm/kvm_main.c
>> @@ -2404,8 +2404,10 @@ void kvm_vcpu_kick(struct kvm_vcpu *vcpu)
>> int me;
>> int cpu = vcpu->cpu;
>>
>> - if (kvm_vcpu_wake_up(vcpu))
>> + if (kvm_vcpu_wake_up(vcpu)) {
>> + vcpu->preempted = true;
>> return;
>> + }
>>
>> me = get_cpu();
>> if (cpu != me && (unsigned)cpu < nr_cpu_ids && cpu_online(cpu))
>>
>
> Who is resetting vcpu->preempted to false in this case? This also
> applies to s390 in fact.

Isnt that done by the sched_in handler?

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