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From: Gerd Hoffmann <kraxel@suse.de>
To: "Petersson, Mats" <Mats.Petersson@amd.com>
Cc: Xen devel list <xen-devel@lists.xensource.com>
Subject: Re: [rfc/patch] pv-on-hvm: make netfront grab PCI ressources.
Date: Thu, 08 Feb 2007 18:05:40 +0100	[thread overview]
Message-ID: <45CB5864.8070200@suse.de> (raw)
In-Reply-To: <907625E08839C4409CE5768403633E0B018E195C@sefsexmb1.amd.com>

Petersson, Mats wrote:
>  
> 
>> -----Original Message-----
>> From: xen-devel-bounces@lists.xensource.com 
>> [mailto:xen-devel-bounces@lists.xensource.com] 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 ...).

cheers,
  Gerd

-- 
Gerd Hoffmann <kraxel@suse.de>

  reply	other threads:[~2007-02-08 17:05 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-02-08 16:50 [rfc/patch] pv-on-hvm: make netfront grab PCI ressources Gerd Hoffmann
2007-02-08 16:56 ` Petersson, Mats
2007-02-08 17:05   ` Gerd Hoffmann [this message]
2007-02-08 17:55     ` Mark Williamson
2007-02-08 17:13 ` Keir Fraser
2007-02-09 11:17   ` Gerd Hoffmann
2007-02-09 16:03     ` Kirk Allan

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