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Re: [libvirt-users] [Qemu-devel] VFIO PCIe Extended Capabilities

On Tue, 19 Jul 2016 20:39:26 +0000
Spenser Gilliland <spenser gilliland xilinx com> wrote:
> >> Anyway, the current behavior is clearly a bug, so QEMU hard freeze
> >> should be irrelevant.  If anyone wants to take over the patch, feel
> >> free.  Thanks,  
> > I suppose I can handle it, but sadly not for 2.7.
> > If Spencer has some time now he can help by testing it and reviewing it quickly :)  
> I'd be happy to help; but that patch really just more permanently breaks my current workaround ;-) .
How so?  The patch should make extended config space disappear when the
device is not on a PCIe bus.  This is the correct behavior per the
PCIe spec.  Are you trying to exploit this QEMU bug to see some PCIe
capabilities but not others?  That's wrong, you'll need to move the
device to a PCIe slot to get extended capabilities.

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