Re: [Qemu-devel] [PATCH 17/30] virtio-mmio: drop useless bus->allow_hotplug = 0

[Paolo Bonzini <pbonzini@redhat.com>]

Il 24/09/2014 13:48, Igor Mammedov ha scritto:
> Bus by default is not hotpluggable.
> virtio-mmio-bus and its parent types do not set allow_hotplug
> anywhere explicitly, so remove not needed field access
> and wrapper along with it.
> 
> Signed-off-by: Igor Mammedov <imammedo@redhat.com>
> ---
>  hw/virtio/virtio-mmio.c | 17 ++---------------
>  1 file changed, 2 insertions(+), 15 deletions(-)
> 
> diff --git a/hw/virtio/virtio-mmio.c b/hw/virtio/virtio-mmio.c
> index 18c6e5b..2450c13 100644
> --- a/hw/virtio/virtio-mmio.c
> +++ b/hw/virtio/virtio-mmio.c
> @@ -89,9 +89,6 @@ typedef struct {
>      VirtioBusState bus;
>  } VirtIOMMIOProxy;
>  
> -static void virtio_mmio_bus_new(VirtioBusState *bus, size_t bus_size,
> -                                VirtIOMMIOProxy *dev);
> -
>  static uint64_t virtio_mmio_read(void *opaque, hwaddr offset, unsigned size)
>  {
>      VirtIOMMIOProxy *proxy = (VirtIOMMIOProxy *)opaque;
> @@ -362,7 +359,8 @@ static void virtio_mmio_realizefn(DeviceState *d, Error **errp)
>      VirtIOMMIOProxy *proxy = VIRTIO_MMIO(d);
>      SysBusDevice *sbd = SYS_BUS_DEVICE(d);
>  
> -    virtio_mmio_bus_new(&proxy->bus, sizeof(proxy->bus), proxy);
> +    qbus_create_inplace(&proxy->bus, sizeof(proxy->bus), TYPE_VIRTIO_MMIO_BUS,
> +                        d, NULL);
>      sysbus_init_irq(sbd, &proxy->irq);
>      memory_region_init_io(&proxy->iomem, OBJECT(d), &virtio_mem_ops, proxy,
>                            TYPE_VIRTIO_MMIO, 0x200);
> @@ -393,17 +391,6 @@ static const TypeInfo virtio_mmio_info = {
>  
>  /* virtio-mmio-bus. */
>  
> -static void virtio_mmio_bus_new(VirtioBusState *bus, size_t bus_size,
> -                                VirtIOMMIOProxy *dev)
> -{
> -    DeviceState *qdev = DEVICE(dev);
> -    BusState *qbus;
> -
> -    qbus_create_inplace(bus, bus_size, TYPE_VIRTIO_MMIO_BUS, qdev, NULL);
> -    qbus = BUS(bus);
> -    qbus->allow_hotplug = 0;
> -}
> -
>  static void virtio_mmio_bus_class_init(ObjectClass *klass, void *data)
>  {
>      BusClass *bus_class = BUS_CLASS(klass);
> 

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>