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Re: [Xen-devel] [rfc/patch] pv-on-hvm: make netfront grab PCI ressources.

Petersson, Mats wrote:
>> -----Original Message-----
>> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
>> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of 
>> Gerd Hoffmann
>> Sent: 08 February 2007 16:51
>> To: Xen devel list
>> Subject: [Xen-devel] [rfc/patch] pv-on-hvm: make netfront 
>> grab PCI ressources.
>>   Hi,
>> This patch makes netfront grab the rtl8139 PCI ressources when running
>> as paravirtualized driver in a HVM domain.  If the driver 
>> fails to grab
>> the ressources it refuses to load.  If it succeeds grabbing the
>> ressources this shoulld prevent any other driver from taking 
>> the device.
> What if someone has configured the network card type to something other
> than 8139?

Then it doesn't work.  Can you do that in xen?  I had the impression
you'll have to use the qemu default nic ...

> Or is the rtl8139 in the above example just another word for "some
> network card in QEMU"?

No, it matches the 8139 pci id.  For other cards it needs simliar code
(and qemu a patch to add the xensource subsystem id ...).


Gerd Hoffmann <kraxel@xxxxxxx>

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