Re: [Qemu-devel] [PATCH 15/15] e1000: using new interface--unmap to unplug

[liu ping fan]

On Wed, Aug 8, 2012 at 5:56 PM, Paolo Bonzini <address@hidden> wrote:
> Il 08/08/2012 08:25, Liu Ping Fan ha scritto:
>>
>> +static void
>> +pci_e1000_unmap(PCIDevice *p)
>> +{
>> +    /* DO NOT FREE anything!until refcnt=0 */
>> +    /* isolate from memory view */
>> +}
>
> At least you need to call the superclass method.
>
Refer to  0013-hotplug-introduce-qdev_unplug_complete-to-remove-dev.patch,
we have the following sequence
qdev_unmap->pci_unmap_device->pci_e1000_unmap.  So pci_e1000_unmap
need not to do anything.

Regards,
pingfan

> Paolo
>
>>  static int
>>  pci_e1000_uninit(PCIDevice *dev)
>>  {
>> @@ -1275,6 +1282,7 @@ static void e1000_class_init(ObjectClass *klass, void 
>> *data)
>>      PCIDeviceClass *k = PCI_DEVICE_CLASS(klass);
>>
>>      k->init = pci_e1000_init;
>> +    k->unmap = pci_e1000_unmap;
>>      k->exit = pci_e1000_uninit;
>>      k->romfile = "pxe-e1000.rom";
>>      k->vendor_id = PCI_VENDOR_ID_INTEL;
>
>