Re: [Xen-users] xen PCI pass through clarification

[Jean Baptiste FAVRE <xen-users@xxxxxxxxxxx>]

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Hello,
I assume you want to use PCI passthrough with PV domU, not HVM.

Le 29/12/2010 21:26, Mithun Iyer a écrit :
> hi,
> 
> I want to know if there is any particular linux kernel version on DomU that
> is required for PCI pass through to work ?
> It is not clear from the link here
> http://wiki.xensource.com/xenwiki/XenPCIpassthrough.
For PCI passthrough to work with PV DomU, you need to have the Xen PCI
frontend driver loaded.

This driver has been merged mainstream for the upcoming 2.6.37 kernel.
For previous versions, you have following choices:
2.6.31.x & 2.6.32.x: use Jeremy's git repo
2.6.33, 2.6.34, 2.6.35: use Konrad's git repo

Both git repo are listed in the wiki page you're refering on.

> I want to use linux kernel 2.6.27.39 as my DomU. Can that be used for PCI
> pass through ?
Except if it's a distro kernel and if xen pci front driver has been
backported for it, you won't be able to use it.

> thanks and I appreciate any help.
Regards,
JB
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