KVM: x86: preparatory changes for APICv cleanups

Add return value to __kvm_apic_update_irr/kvm_apic_update_irr.
Move vmx_sync_pir_to_irr around.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

1 files changed, 16 insertions, 16 deletions

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 8d2e0cc8e83e..4ac9b484e244 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -5057,22 +5057,6 @@ static void vmx_deliver_posted_interrupt(struct kvm_vcpu *vcpu, int vector)
 		kvm_vcpu_kick(vcpu);
 }
 
-static void vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
-{
-	struct vcpu_vmx *vmx = to_vmx(vcpu);
-
-	if (!pi_test_on(&vmx->pi_desc))
-		return;
-
-	pi_clear_on(&vmx->pi_desc);
-	/*
-	 * IOMMU can write to PIR.ON, so the barrier matters even on UP.
-	 * But on x86 this is just a compiler barrier anyway.
-	 */
-	smp_mb__after_atomic();
-	kvm_apic_update_irr(vcpu, vmx->pi_desc.pir);
-}
-
 /*
  * Set up the vmcs's constant host-state fields, i.e., host-state fields that
  * will not change in the lifetime of the guest.
@@ -8738,6 +8722,22 @@ static void vmx_hwapic_irr_update(struct kvm_vcpu *vcpu, int max_irr)
 	}
 }
 
+static void vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
+{
+	struct vcpu_vmx *vmx = to_vmx(vcpu);
+
+	if (!pi_test_on(&vmx->pi_desc))
+		return;
+
+	pi_clear_on(&vmx->pi_desc);
+	/*
+	 * IOMMU can write to PIR.ON, so the barrier matters even on UP.
+	 * But on x86 this is just a compiler barrier anyway.
+	 */
+	smp_mb__after_atomic();
+	kvm_apic_update_irr(vcpu, vmx->pi_desc.pir);
+}
+
 static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
 {
 	if (!kvm_vcpu_apicv_active(vcpu))