On Thu, Jun 17, 2021 at 09:07:33PM +0200, Julia Suvorova wrote: > 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> > Reviewed-by: Marcel Apfelbaum <marcel.apfelb...@gmail.com>
Reviewed-by: David Gibson <da...@gibson.dropbear.id.au>
> ---
> 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);
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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