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-rw-r--r--hw/acpi/piix4.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/hw/acpi/piix4.c b/hw/acpi/piix4.c
index 669be5bbf6..30dd9b2309 100644
--- a/hw/acpi/piix4.c
+++ b/hw/acpi/piix4.c
@@ -74,6 +74,7 @@ struct PIIX4PMState {
qemu_irq irq;
qemu_irq smi_irq;
int smm_enabled;
+ bool smm_compat;
Notifier machine_ready;
Notifier powerdown_notifier;
@@ -642,6 +643,7 @@ static Property piix4_pm_properties[] = {
use_acpi_root_pci_hotplug, true),
DEFINE_PROP_BOOL("memory-hotplug-support", PIIX4PMState,
acpi_memory_hotplug.is_enabled, true),
+ DEFINE_PROP_BOOL("smm-compat", PIIX4PMState, smm_compat, false),
DEFINE_PROP_END_OF_LIST(),
};