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Re: [Xen-devel] [DOM0 KERNELS] pciback: Fix SR-IOV VF passthrough

To: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [DOM0 KERNELS] pciback: Fix SR-IOV VF passthrough
From: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
Date: Fri, 26 Feb 2010 15:51:08 -0500
Cc: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>, Jeremy Fitzhardinge <jeremy@xxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Ian Pratt <Ian.Pratt@xxxxxxxxxxxxx>, Jan Beulich <JBeulich@xxxxxxxxxx>
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On Fri, Feb 26, 2010 at 05:25:45PM +0000, Keir Fraser wrote:
> Vendor/device and BAR fields in a VF's host-level PCI config space are dummy
> and must always be virtualised/emulated. Implement this in pciback by always
> extracting the values installed in dom0 kernel's own PCI structures, rather
> than interrogating the underlying PCI config space directly.
> 
> AFAIK, this patch should apply to any kernel that implements pciback: That
> includes pv_ops, SLES, and the XS/XCP kernels. It should be applied to all
> of them. It is already applied to linux-2.6.18-xen.hg as 998:693c40564c8d.

Goodies! Thanks for the patch.

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