[v12,24/27] kvm-irqchip: do explicit commit when update irq

diff --git a/hw/i386/kvm/pci-assign.c b/hw/i386/kvm/pci-assign.c
index 82b752d..ec5dfe2 100644
--- a/hw/i386/kvm/pci-assign.c
+++ b/hw/i386/kvm/pci-assign.c
@@ -1014,6 +1014,7 @@  static void assigned_dev_update_msi_msg(PCIDevice *pci_dev)
 
     kvm_irqchip_update_msi_route(kvm_state, assigned_dev->msi_virq[0],
                                  msi_get_message(pci_dev, 0), pci_dev);
+    kvm_irqchip_commit_routes(kvm_state);
 }
 
 static bool assigned_dev_msix_masked(MSIXTableEntry *entry)
@@ -1601,6 +1602,7 @@  static void assigned_dev_msix_mmio_write(void *opaque, hwaddr addr,
                 if (ret) {
                     error_report("Error updating irq routing entry (%d)", ret);
                 }
+                kvm_irqchip_commit_routes(kvm_state);
             }
         }
     }
diff --git a/hw/misc/ivshmem.c b/hw/misc/ivshmem.c
index 8512523..241a70c 100644
--- a/hw/misc/ivshmem.c
+++ b/hw/misc/ivshmem.c
@@ -322,6 +322,7 @@  static int ivshmem_vector_unmask(PCIDevice *dev, unsigned vector,
     if (ret < 0) {
         return ret;
     }
+    kvm_irqchip_commit_routes(kvm_state);
 
     return kvm_irqchip_add_irqfd_notifier_gsi(kvm_state, n, NULL, v->virq);
 }
diff --git a/hw/vfio/pci.c b/hw/vfio/pci.c
index 93455e5..b3b61bf 100644
--- a/hw/vfio/pci.c
+++ b/hw/vfio/pci.c
@@ -458,6 +458,7 @@  static void vfio_update_kvm_msi_virq(VFIOMSIVector *vector, MSIMessage msg,
                                      PCIDevice *pdev)
 {
     kvm_irqchip_update_msi_route(kvm_state, vector->virq, msg, pdev);
+    kvm_irqchip_commit_routes(kvm_state);
 }
 
 static int vfio_msix_vector_do_use(PCIDevice *pdev, unsigned int nr,
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index cbdfd59..f0677b7 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -842,6 +842,7 @@  static int virtio_pci_vq_vector_unmask(VirtIOPCIProxy *proxy,
             if (ret < 0) {
                 return ret;
             }
+            kvm_irqchip_commit_routes(kvm_state);
         }
     }
 
diff --git a/include/sysemu/kvm.h b/include/sysemu/kvm.h
index 0a16e0e..c9c2436 100644
--- a/include/sysemu/kvm.h
+++ b/include/sysemu/kvm.h
@@ -371,7 +371,6 @@  int kvm_set_irq(KVMState *s, int irq, int level);
 int kvm_irqchip_send_msi(KVMState *s, MSIMessage msg);
 
 void kvm_irqchip_add_irq_route(KVMState *s, int gsi, int irqchip, int pin);
-void kvm_irqchip_commit_routes(KVMState *s);
 
 void kvm_put_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
 void kvm_get_apic_state(DeviceState *d, struct kvm_lapic_state *kapic);
@@ -494,6 +493,7 @@  static inline void cpu_synchronize_post_init(CPUState *cpu)
 int kvm_irqchip_add_msi_route(KVMState *s, int vector, PCIDevice *dev);
 int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
                                  PCIDevice *dev);
+void kvm_irqchip_commit_routes(KVMState *s);
 void kvm_irqchip_release_virq(KVMState *s, int virq);
 
 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter);
diff --git a/kvm-all.c b/kvm-all.c
index ca30a58..3764ba9 100644
--- a/kvm-all.c
+++ b/kvm-all.c
@@ -1094,8 +1094,6 @@  static int kvm_update_routing_entry(KVMState *s,
 
         *entry = *new_entry;
 
-        kvm_irqchip_commit_routes(s);
-
         return 0;
     }
 
diff --git a/kvm-stub.c b/kvm-stub.c
index 982e590..64e23f6 100644
--- a/kvm-stub.c
+++ b/kvm-stub.c
@@ -135,6 +135,10 @@  int kvm_irqchip_update_msi_route(KVMState *s, int virq, MSIMessage msg,
     return -ENOSYS;
 }
 
+void kvm_irqchip_commit_routes(KVMState *s)
+{
+}
+
 int kvm_irqchip_add_adapter_route(KVMState *s, AdapterInfo *adapter)
 {
     return -ENOSYS;
diff --git a/target-i386/kvm.c b/target-i386/kvm.c
index f02ba0a..0e26862 100644
--- a/target-i386/kvm.c
+++ b/target-i386/kvm.c
@@ -3379,6 +3379,7 @@  static void kvm_update_msi_routes_all(void *private, bool global,
         kvm_irqchip_update_msi_route(kvm_state, entry->virq,
                                      msg, entry->dev);
     }
+    kvm_irqchip_commit_routes(kvm_state);
     trace_kvm_x86_update_msi_routes(cnt);
 }