KVM: VMX: Use posted interrupt to deliver virtual interrupt
If posted interrupt is avaliable, then uses it to inject virtual
interrupt to guest.
Signed-off-by: Yang Zhang <yang.z.zhang@Intel.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 276b4a9..50e2e10b 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -2692,6 +2692,7 @@
static int kvm_vcpu_ioctl_get_lapic(struct kvm_vcpu *vcpu,
struct kvm_lapic_state *s)
{
+ kvm_x86_ops->sync_pir_to_irr(vcpu);
memcpy(s->regs, vcpu->arch.apic->regs, sizeof *s);
return 0;