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Diffstat (limited to 'hw/acpi/piix4.c')
-rw-r--r--hw/acpi/piix4.c15
1 files changed, 14 insertions, 1 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index cc37fa3416..fe5625d07a 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -82,6 +82,7 @@ struct PIIX4PMState {
AcpiPciHpState acpi_pci_hotplug;
bool use_acpi_hotplug_bridge;
bool use_acpi_root_pci_hotplug;
+ bool not_migrate_acpi_index;
uint8_t disable_s3;
uint8_t disable_s4;
@@ -267,6 +268,16 @@ static bool piix4_vmstate_need_smbus(void *opaque, int version_id)
return pm_smbus_vmstate_needed();
}
+/*
+ * This is a fudge to turn off the acpi_index field,
+ * whose test was always broken on piix4 with 6.2 and older machine types.
+ */
+static bool vmstate_test_migrate_acpi_index(void *opaque, int version_id)
+{
+ PIIX4PMState *s = PIIX4_PM(opaque);
+ return s->use_acpi_hotplug_bridge && !s->not_migrate_acpi_index;
+}
+
/* qemu-kvm 1.2 uses version 3 but advertised as 2
* To support incoming qemu-kvm 1.2 migration, change version_id
* and minimum_version_id to 2 below (which breaks migration from
@@ -297,7 +308,7 @@ static const VMStateDescription vmstate_acpi = {
struct AcpiPciHpPciStatus),
VMSTATE_PCI_HOTPLUG(acpi_pci_hotplug, PIIX4PMState,
vmstate_test_use_acpi_hotplug_bridge,
- vmstate_acpi_pcihp_use_acpi_index),
+ vmstate_test_migrate_acpi_index),
VMSTATE_END_OF_LIST()
},
.subsections = (const VMStateDescription*[]) {
@@ -652,6 +663,8 @@ static Property piix4_pm_properties[] = {
DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
acpi_memory_hotplug.is_enabled, true),
DEFINE_PROP_BOOL("smm-compat", PIIX4PMState, smm_compat, false),
+ DEFINE_PROP_BOOL("x-not-migrate-acpi-index", PIIX4PMState,
+ not_migrate_acpi_index, false),
DEFINE_PROP_END_OF_LIST(),
};