5 files changed, 30 insertions, 14 deletions

diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c119f55824..e9d4abf06a 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -2427,6 +2427,7 @@ static void spapr_machine_2_3_instance_options(MachineState *machine)
     spapr_machine_2_4_instance_options(machine);
     savevm_skip_section_footers();
     global_state_set_optional();
+    savevm_skip_configuration();
 }
 
 static void spapr_machine_2_3_class_options(MachineClass *mc)
@@ -2452,6 +2453,7 @@ DEFINE_SPAPR_MACHINE(2_3, "2.3", false);
 static void spapr_machine_2_2_instance_options(MachineState *machine)
 {
     spapr_machine_2_3_instance_options(machine);
+    machine->suppress_vmdesc = true;
 }
 
 static void spapr_machine_2_2_class_options(MachineClass *mc)
diff --git a/hw/ppc/spapr_events.c b/hw/ppc/spapr_events.c
index f5eac4b544..39f4682f95 100644
--- a/hw/ppc/spapr_events.c
+++ b/hw/ppc/spapr_events.c
@@ -588,7 +588,8 @@ out_no_events:
 void spapr_events_init(sPAPRMachineState *spapr)
 {
     QTAILQ_INIT(&spapr->pending_events);
-    spapr->check_exception_irq = xics_alloc(spapr->icp, 0, 0, false);
+    spapr->check_exception_irq = xics_alloc(spapr->icp, 0, 0, false,
+                                            &error_fatal);
     spapr->epow_notifier.notify = spapr_powerdown_req;
     qemu_register_powerdown_notifier(&spapr->epow_notifier);
     spapr_rtas_register(RTAS_CHECK_EXCEPTION, "check-exception",
diff --git a/hw/ppc/spapr_pci.c b/hw/ppc/spapr_pci.c
index cca9257fec..e8edad3ab7 100644
--- a/hw/ppc/spapr_pci.c
+++ b/hw/ppc/spapr_pci.c
@@ -275,11 +275,12 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
     unsigned int req_num = rtas_ld(args, 4); /* 0 == remove all */
     unsigned int seq_num = rtas_ld(args, 5);
     unsigned int ret_intr_type;
-    unsigned int irq, max_irqs = 0, num = 0;
+    unsigned int irq, max_irqs = 0;
     sPAPRPHBState *phb = NULL;
     PCIDevice *pdev = NULL;
     spapr_pci_msi *msi;
     int *config_addr_key;
+    Error *err = NULL;
 
     switch (func) {
     case RTAS_CHANGE_MSI_FN:
@@ -305,9 +306,10 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
         return;
     }
 
+    msi = (spapr_pci_msi *) g_hash_table_lookup(phb->msi, &config_addr);
+
     /* Releasing MSIs */
     if (!req_num) {
-        msi = (spapr_pci_msi *) g_hash_table_lookup(phb->msi, &config_addr);
         if (!msi) {
             trace_spapr_pci_msi("Releasing wrong config", config_addr);
             rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
@@ -316,10 +318,10 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
 
         xics_free(spapr->icp, msi->first_irq, msi->num);
         if (msi_present(pdev)) {
-            spapr_msi_setmsg(pdev, 0, false, 0, num);
+            spapr_msi_setmsg(pdev, 0, false, 0, 0);
         }
         if (msix_present(pdev)) {
-            spapr_msi_setmsg(pdev, 0, true, 0, num);
+            spapr_msi_setmsg(pdev, 0, true, 0, 0);
         }
         g_hash_table_remove(phb->msi, &config_addr);
 
@@ -353,13 +355,20 @@ static void rtas_ibm_change_msi(PowerPCCPU *cpu, sPAPRMachineState *spapr,
 
     /* Allocate MSIs */
     irq = xics_alloc_block(spapr->icp, 0, req_num, false,
-                           ret_intr_type == RTAS_TYPE_MSI);
-    if (!irq) {
-        error_report("Cannot allocate MSIs for device %x", config_addr);
+                           ret_intr_type == RTAS_TYPE_MSI, &err);
+    if (err) {
+        error_reportf_err(err, "Can't allocate MSIs for device %x: ",
+                          config_addr);
         rtas_st(rets, 0, RTAS_OUT_HW_ERROR);
         return;
     }
 
+    /* Release previous MSIs */
+    if (msi) {
+        xics_free(spapr->icp, msi->first_irq, msi->num);
+        g_hash_table_remove(phb->msi, &config_addr);
+    }
+
     /* Setup MSI/MSIX vectors in the device (via cfgspace or MSIX BAR) */
     spapr_msi_setmsg(pdev, SPAPR_PCI_MSI_WINDOW, ret_intr_type == RTAS_TYPE_MSIX,
                      irq, req_num);
@@ -1360,10 +1369,12 @@ static void spapr_phb_realize(DeviceState *dev, Error **errp)
     /* Initialize the LSI table */
     for (i = 0; i < PCI_NUM_PINS; i++) {
         uint32_t irq;
+        Error *local_err = NULL;
 
-        irq = xics_alloc_block(spapr->icp, 0, 1, true, false);
-        if (!irq) {
-            error_setg(errp, "spapr_allocate_lsi failed");
+        irq = xics_alloc_block(spapr->icp, 0, 1, true, false, &local_err);
+        if (local_err) {
+            error_propagate(errp, local_err);
+            error_prepend(errp, "can't allocate LSIs: ");
             return;
         }
 
diff --git a/hw/ppc/spapr_rng.c b/hw/ppc/spapr_rng.c
index 8484fcf547..a39d472b66 100644
--- a/hw/ppc/spapr_rng.c
+++ b/hw/ppc/spapr_rng.c
@@ -170,6 +170,7 @@ static void spapr_rng_class_init(ObjectClass *oc, void *data)
     dc->realize = spapr_rng_realize;
     set_bit(DEVICE_CATEGORY_MISC, dc->categories);
     dc->props = spapr_rng_properties;
+    dc->hotpluggable = false;
 }
 
 static const TypeInfo spapr_rng_info = {
diff --git a/hw/ppc/spapr_vio.c b/hw/ppc/spapr_vio.c
index ac6666a90b..0f61a550cb 100644
--- a/hw/ppc/spapr_vio.c
+++ b/hw/ppc/spapr_vio.c
@@ -431,6 +431,7 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp)
     VIOsPAPRDevice *dev = (VIOsPAPRDevice *)qdev;
     VIOsPAPRDeviceClass *pc = VIO_SPAPR_DEVICE_GET_CLASS(dev);
     char *id;
+    Error *local_err = NULL;
 
     if (dev->reg != -1) {
         /*
@@ -463,9 +464,9 @@ static void spapr_vio_busdev_realize(DeviceState *qdev, Error **errp)
         dev->qdev.id = id;
     }
 
-    dev->irq = xics_alloc(spapr->icp, 0, dev->irq, false);
-    if (!dev->irq) {
-        error_setg(errp, "can't allocate IRQ");
+    dev->irq = xics_alloc(spapr->icp, 0, dev->irq, false, &local_err);
+    if (local_err) {
+        error_propagate(errp, local_err);
         return;
     }