PCI Express does not allow hot-plug on pcie.0. Check for Q35 in acpi_pcihp_disable_root_bus() to be able to forbid hot-plug using the 'acpi-root-pci-hotplug' flag.
Signed-off-by: Julia Suvorova <jus...@redhat.com> Reviewed-by: Igor Mammedov <imamm...@redhat.com> --- hw/acpi/pcihp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/acpi/pcihp.c b/hw/acpi/pcihp.c index 4999277d57..09f531e941 100644 --- a/hw/acpi/pcihp.c +++ b/hw/acpi/pcihp.c @@ -122,13 +122,14 @@ static void acpi_set_pci_info(void) static void acpi_pcihp_disable_root_bus(void) { static bool root_hp_disabled; + Object *host = acpi_get_i386_pci_host(); PCIBus *bus; if (root_hp_disabled) { return; } - bus = find_i440fx(); + bus = PCI_HOST_BRIDGE(host)->bus; if (bus) { /* setting the hotplug handler to NULL makes the bus non-hotpluggable */ qbus_set_hotplug_handler(BUS(bus), NULL); -- 2.30.2