[Qemu-devel] [PATCH 07/15] acpi: add memory_region_set_owner calls

[Paolo Bonzini <pbonzini@redhat.com>]

ACPI regions are added directly to the I/O address space, without
going through BARs.  Thus they need the owner to be set directly.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 hw/acpi/ich9.c  | 1 +
 hw/acpi/piix4.c | 5 +++++
 hw/isa/apm.c    | 1 +
 3 files changed, 7 insertions(+)

diff --git a/hw/acpi/ich9.c b/hw/acpi/ich9.c
index 4a17f32..0b19864 100644
--- a/hw/acpi/ich9.c
+++ b/hw/acpi/ich9.c
@@ -223,6 +223,7 @@ void ich9_pm_init(PCIDevice *lpc_pci, ICH9LPCPMRegs *pm,
                           8);
     memory_region_add_subregion(&pm->io, ICH9_PMIO_SMI_EN, &pm->io_smi);
 
+    memory_region_set_owner(&pm->io, OBJECT(lpc_pci));
     pm->irq = sci_irq;
     qemu_register_reset(pm_reset, pm);
     pm->powerdown_notifier.notify = pm_powerdown_req;
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index c4af1cc..d097592 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -433,6 +433,8 @@ static int piix4_pm_initfn(PCIDevice *dev)
     acpi_pm1_cnt_init(&s->ar, &s->io, s->s4_val);
     acpi_gpe_init(&s->ar, GPE_LEN);
 
+    memory_region_set_owner(&s->io, OBJECT(s));
+
     s->powerdown_notifier.notify = piix4_pm_powerdown_req;
     qemu_register_powerdown_notifier(&s->powerdown_notifier);
 
@@ -672,10 +674,12 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
 {
     memory_region_init_io(&s->io_gpe, &piix4_gpe_ops, s, "apci-gpe0",
                           GPE_LEN);
+    memory_region_set_owner(&s->io_gpe, OBJECT(s));
     memory_region_add_subregion(parent, GPE_BASE, &s->io_gpe);
 
     memory_region_init_io(&s->io_pci, &piix4_pci_ops, s, "apci-pci-hotplug",
                           PCI_HOTPLUG_SIZE);
+    memory_region_set_owner(&s->io_pci, OBJECT(s));
     memory_region_add_subregion(parent, PCI_HOTPLUG_ADDR,
                                 &s->io_pci);
     pci_bus_hotplug(bus, piix4_device_hotplug, &s->dev.qdev);
@@ -683,6 +687,7 @@ static void piix4_acpi_system_hot_add_init(MemoryRegion *parent,
     qemu_for_each_cpu(piix4_init_cpu_status, &s->gpe_cpu);
     memory_region_init_io(&s->io_cpu, &cpu_hotplug_ops, s, "apci-cpu-hotplug",
                           PIIX4_PROC_LEN);
+    memory_region_set_owner(&s->io_cpu, OBJECT(s));
     memory_region_add_subregion(parent, PIIX4_PROC_BASE, &s->io_cpu);
     s->cpu_added_notifier.notify = piix4_cpu_added_req;
     qemu_register_cpu_added_notifier(&s->cpu_added_notifier);
diff --git a/hw/isa/apm.c b/hw/isa/apm.c
index 5f21d21..376c564 100644
--- a/hw/isa/apm.c
+++ b/hw/isa/apm.c
@@ -97,6 +97,7 @@ void apm_init(PCIDevice *dev, APMState *apm, apm_ctrl_changed_t callback,
 
     /* ioport 0xb2, 0xb3 */
     memory_region_init_io(&apm->io, &apm_ops, apm, "apm-io", 2);
+    memory_region_set_owner(&apm->io, OBJECT(dev));
     memory_region_add_subregion(pci_address_space_io(dev), APM_CNT_IOPORT,
                                 &apm->io);
 }
-- 
1.8.1.4