Re: [Qemu-devel] [PATCH 2/9] pc: acpi: decribe bridge device as not hotpluggable

["Michael S. Tsirkin" <mst@redhat.com>]

On Mon, Dec 08, 2014 at 04:08:01PM +0000, Igor Mammedov wrote:
> when bridge hotplug is disabled, i.e. for machine
> types less then 2.0, bridge device was created as
> hotpluggable by mistake since commit 133a2da.
> 
> Fix it by just creating it as a present device.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>

What exactly is the problem here?
It seems that such bridge is hotpluggable, even though
e.g. windows guests lacks drivers to support this.


> ---
>  hw/i386/acpi-build.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/hw/i386/acpi-build.c b/hw/i386/acpi-build.c
> index b37a397..1fb92e5 100644
> --- a/hw/i386/acpi-build.c
> +++ b/hw/i386/acpi-build.c
> @@ -913,7 +913,7 @@ static void build_pci_bus_end(PCIBus *bus, void *bus_state)
>              }
>          }
>  
> -        if (!dc->hotpluggable || bridge_in_acpi) {
> +        if (!dc->hotpluggable || pc->is_bridge) {
>              clear_bit(slot, slot_hotplug_enable);
>          }
>      }
> -- 
> 1.8.3.1