Re: [Xen-devel] [RFC v2 07/15] vt-d: Add API to update IRTE when VT-d PI is used

["Jan Beulich" <JBeulich@xxxxxxxx>]

>>> On 12.06.15 at 11:40, <feng.wu@xxxxxxxxx> wrote:
>> From: Jan Beulich [mailto:JBeulich@xxxxxxxx]
>> Sent: Tuesday, June 09, 2015 10:33 PM
>> >>> On 08.05.15 at 11:07, <feng.wu@xxxxxxxxx> wrote:
>> > +    remap_index = msi_desc->remap_index;
>> > +    drhd = acpi_find_matched_drhd_unit(pci_dev);
>> > +    if ( !drhd )
>> > +    {
>> > +        dprintk(XENLOG_INFO VTDPREFIX,
>> > +                "%pv: failed to get drhd, pci device: "
>> > +                "%04x:%02x:%02x.%u, guest vector: %u\n",
>> > +                v, pci_dev->seg, pci_dev->bus, PCI_SLOT(pci_dev->devfn),
>> > +                PCI_FUNC(pci_dev->devfn), gvec);
>> > +        goto unlock_out;
>> > +    }
>> > +
>> > +    iommu = drhd->iommu;
>> > +    ir_ctrl = iommu_ir_ctrl(iommu);
>> > +    if ( !ir_ctrl )
>> > +    {
>> > +        dprintk(XENLOG_INFO VTDPREFIX,
>> > +                "%pv: failed to get ir_ctrl, pci device: "
>> > +                "%04x:%02x:%02x.%u, guest vector: %u\n",
>> > +                v, pci_dev->seg, pci_dev->bus, PCI_SLOT(pci_dev->devfn),
>> > +                PCI_FUNC(pci_dev->devfn), gvec);
>> > +        goto unlock_out;
>> > +    }
>> 
>> Do you think these log messages are useful beyond your bringup
>> purposes?
> 
> So what kind of message do you think I need to show here?

None at all?

Jan


_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxx
http://lists.xen.org/xen-devel