[Xen-devel] Re: [Xen-users] driver domains / PCI passthru on amd64

[Hans-Christian Armingeon <johnny@xxxxxxxxxx>]

Am Mittwoch, 22. März 2006 08:16 schrieb David Goodlad:
> Hi Johnny
> 
> I am running an x86_64 system here and pci passthrough does seem to
> work for paravirtualized guests.  You won't notice any effect in your
> dom0 (ie: it will still show up in lspci).  However, if you check your
I wondered, that lspci showed me the devices. I searched for a message lieke 
"Hiding pci ... " dmesg or xm dmesg, and didn't find such a line.

> dmesg, you will notice a message like 'pciback: grabbing device
> nn:nn.n'.  This means that the pci backend driver has claimed
> ownership of your device, denying other drivers access, and ensuring
> that it can be passed off to a domU when needed.
> 
> Hope that helps!
Thank you.

What PCI Backend Mode should I use?
Virtual PCI or Passthrough?

Does it make an effect other than resorting the devices?

Johnny

> Dave
> 
> On 3/21/06, Hans-Christian Armingeon <johnny@xxxxxxxxxx> wrote:
> > Hi,
> >
> > are driver domains supported with xen on amd64? I read some weeks ago, that 
> > it is marked x86 specific, even if it would work on amd64, too.
> >
> > When I append pciback.hide=, it doesn't have any effect.
> >
> > Can somebody tell me, what's going on?
> >
> > Johnny
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> >
> 
> 
> --
> Dave Goodlad
> dgoodlad@xxxxxxxxx or dave@xxxxxxxxxx
> http://david.goodlad.ca/
> 
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
> 

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