[Fedora-xen] howto hide pci devices?

Tue Mar 12 13:05:34 UTC 2013

On Mon, Mar 11, 2013 at 12:15:47PM -0700, Mike Wright wrote:
> Hi all,
> 
> Using 3.8.1-201.fc18.x86_64
> 
> This kernel has xen-pciback available only as a module so adding it
> to the kernel command line doesn't work.
> 
> I added a file:
> 
>   /etc/modprobe.d/xen-pciback.conf
> 
> that contains one line:
> 
>   options xen-pciback hide=(00:14.2)(01:05.1)
> 
> thinking that would accomplish the same thing but it doesn't work for me.

The purpose of the hide is for the initial domain drivers to not usurp
the devices. Meaning that they do not load and use the drivers.

> 
> Following a reboot lspci shows the devices are still there.
> 

Right. They will be present in the initial domain. They are just not
in usage.

> Am I missing a step or is recompiling the kernel the only alternative?
> 
> TIA
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