On 20/01/2015 09:48, Wincy Van wrote:
> +static int vmx_deliver_nested_posted_interrupt(struct kvm_vcpu *vcpu,
> + int vector)
> +{
> + int r = 0;
> + struct vmcs12 *vmcs12;
> +
> + /*
> +* Since posted intr delivery is async
On Tue, Jan 20, 2015 at 5:54 PM, Paolo Bonzini wrote:
>
>
> On 20/01/2015 09:48, Wincy Van wrote:
>> +static int vmx_deliver_nested_posted_interrupt(struct kvm_vcpu *vcpu,
>> + int vector)
>> +{
>> + int r = 0;
>> + struct vmcs12 *vmcs12;
>
Wincy Van wrote on 2015-01-20:
> If vcpu has a interrupt in vmx non-root mode, we will kick that vcpu
> to inject interrupt timely. With posted interrupt processing, the kick
> intr is not needed, and interrupts are fully taken care of by hardware.
>
> In nested vmx, this feature avoids much more
On Wed, Jan 21, 2015 at 4:07 PM, Zhang, Yang Z wrote:
>> + if (vector == vmcs12->posted_intr_nv &&
>> + nested_cpu_has_posted_intr(vmcs12)) {
>> + if (vcpu->mode == IN_GUEST_MODE)
>> + apic->send_IPI_mask(get_cpu_mask(vcpu->cpu),
>> +
Wincy Van wrote on 2015-01-21:
> On Wed, Jan 21, 2015 at 4:07 PM, Zhang, Yang Z
> wrote:
>>> + if (vector == vmcs12->posted_intr_nv && +
>>> nested_cpu_has_posted_intr(vmcs12)) { + if (vcpu->mode
>>> == IN_GUEST_MODE) + apic->send_IPI_mask(get_cpu_mask(vcpu->cpu), +
On Wed, Jan 21, 2015 at 4:49 PM, Zhang, Yang Z wrote:
+ if (vector == vmcs12->posted_intr_nv && +
nested_cpu_has_posted_intr(vmcs12)) { + if (vcpu->mode
== IN_GUEST_MODE) + apic->send_IPI_mask(get_cpu_mask(vcpu->cpu), +
POSTED_INTR_
