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), +
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 4:07 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 2015-01-20:
> 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 4:49 PM, Zhang, Yang Z yang.z.zh...@intel.com 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 4:07 PM, Zhang, Yang Z yang.z.zh...@intel.com 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 yang.z.zh...@intel.com
wrote:
+ if (vector == vmcs12-posted_intr_nv +
nested_cpu_has_posted_intr(vmcs12)) { + if (vcpu-mode
== IN_GUEST_MODE) +
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 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;
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
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 vmexits
than non-nested vmx.
This patch
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 vmexits
than non-nested vmx.
This patch
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 pbonz...@redhat.com 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
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